how to buy a good memory foam mattress

 When narrowing your choices among mattresses, weigh performance, features, price and attributes that matter to you, such as ease of movement and maintaining warmth.

The purpose of any memory or gel memory foam mattress is to provide support for all areas of your body and to relieve pressure points.
As almost all memory foam mattress reviews indicate, the material used for these mattress types is quite innovative and advanced, relying on chemical reactions to your body’s heat in order to facilitate conforming to your body’s shape.
A good memory foam mattress will have a lengthy warranty period in place to replace used mattresses when their level of support begins to dwindle.
The design of these mattresses removes your ability to flip the mattress to create even levels of use, although the design of memory foam counterbalances the need to rotate a mattress over time.
But of all the bed types out there, the most technologically advanced and proven style of bed to relieve pressure on your back and hips at night is the memory foam mattress.
By performing thorough research and reading the best memory foam mattress reviews, you can make an informed decision when you’re ready to buy.
The construction of a memory foam mattress consists of combining levels of memory foam on top of a traditional mattress.
Salespeople will try to give you "facts" which will favor their product, no matter how inferior, so just remember density, temperature sensitivity and reading all you can about memory foam to be educated before you buy and you’ll be happy with your purchase.
When you first lay down on a memory foam mattress, your body weight causes the mattress to "melt away" from that pressure until your weight is spread evenly over the surface of the mattress.
Looking for some sleep on a memory foam mattress? Before you walk into a mattress store and waltz into the jaws of an unscrupulous salesperson, get the facts by following the steps in this how-to.
High density foam mattress products can often be obtained less than half the price than lower density retail offerings, with similar warranties.
If you have a good quality mattress, you may also consider buying only a memory foam "topper".
You should be able to sleep on a memory foam mattress for a short period, to see if you have any issues.
Make sure the memory foam is of high enough density to support your body properly.
The quality of the foundation layer foam, which is used to distribute weight to the frame, also affects the service life of the mattress.
Most memory foam mattresses are actually in two or three layers, with a memory foam topper glued to a foundation layer of urethane foam.
The one thing that makes Memory Foam so unique is temperature sensitivity.
This fine tuning is what accounts for the unmatched comfort of the genuine memory foam mattresses.
Sleeping with a partner, room size, lifestyle, comfort preferences, body size and budget are all factors which should be taken into account before deciding on a mattress size.
Mattress softness and support goes hands-in-hand: a good mattress should support your entire body and ensure spinal integrity.
Spend 8 hours a night sleeping and that’s 2,688 hours per year spent in bed! Your physical, mental and emotional performances are all directly correlated to the quality of sleep you’re getting.
When it comes to quality sleep and comfort, buying the best mattress that’s within your budget should be your main concern.
Air mattresses have also become progressively more popular due to the interesting concept of being able to change the feel of your mattress with a control.  With many air mattresses like the leading Select Comfort Sleep Number brand, you can change both sides of the bed to different firmnesses.  Unfortunately, an air mattress will have many parts that can and often do break.  For this reason you will find the fine print of the warranties to contain less coverage.  Also, you will not get the same contouring of the body that you can get with memory foam, as air beds will not make an imprint of your body.  In fact, it is more similar to a spring bed in that it will cause a trampoline effect and bend inward when pressure is applied without conforming to the specific bumps and curves of the body.  This is because air displaces to the sides of the body, leaving the middle with less support.  Memory and latex foam are the only substances that can accomplish a contouring of the body without losing support.  There are newer technology in airbeds that offer memory foam in the top layer system, but without the ability to change the pressure of the middle region independent of the shoulder and leg sections of the mattress, a loss of middle support will occur with any reduction in air pressure.  Also, many airbeds will not blend well with the memory foam due to a non-flexible chamber system.
While a spring mattress was the standard for many decades,  foam mattresses are becoming more and more popular due to their unsurpassed comfort and overall body support.  While spring mattresses can feel nice to sit or lay on, they will not offer anywhere close to the body contouring and therefore spinal support that memory or latex foam can offer.  There is always fiber and some type of foam over the springs, but these coils will actually cause a trampoline effect and bend inward when pressure is applied without conforming to the specific bumps and curves of the body.  While foam can shrink over time, springs can bend and lose their shape over time.  Therefore, an old foam bed will likely feel better and offer better support than an old spring mattress.
visco-elastic material and some even offer other types of materials that are layered throughout the mattress.   They also offer a wide variety of ILD ratings, but the most common are 8-20.  They are using everything from the thinner cotton and/or Bamboo-type cover, to a more bulky wool or quilted cover.  While these bulkier covers will feel softer to the touch, the disadvantages are that they will take away form the memory foam feel and contouring of the body.  Wool covers will be warmer in the winter and hotter in the summer.  The cotton type of covers can wick away moisture, but you may want to get an easily removable one, so you can wash it every so often.  They offer thinner and thicker sizes, but eight to 10 inches usually suffices.  If you have a solid platform base already, then it is not necessary to order one at the time you make your purchase.  However, you may need to order one if you loose integrity in your base down the line.
of pressure to indent this foam 25%.  Keep in mind that the higher the ILD, the firmer the foam.  This rating is synonymous with the abbreviation IFD (Indentation Force Deflection).  IFD is still in use, even though ILD was created just for the purposes of grading polyurethane foam.  You can assume that a lower ILD for the top layer of your memory foam mattress or bed topper can be a real advantage in pressure point reduction.  However, too soft of an ILD or too thick of a very soft surface layer, especially without enough support underneath, can sometimes be problematic for low back sufferers.  That is why the best memory foam mattresses use a layered effect that properly offers a supple enough surface to disburse pressure points, but gradually firms up in the layers below, with a very resilient support base used in the final layer.
The term "H.R" (high resilient) foam refers to a highly resilient foam that will give a very high "ball rebound" reading.  In general, the higher the resiliency, the better the more durable the foam will be with compression forces.  However, with viscoelastic memory foam, less resilience indicates a better force dampening.  This is due to less rebound pressure fighting the force of your body as it sinks into the mattress.  Very high quality memory foam mattresses combine lower high resilient layer(s) with memory foam on the surface, so you get the pressure point reduction, while retaining the extra support below.
Unfortunately, not all foam is created equal.  Many companies will put together the mattress in the U.S., but buy the foam overseas to save money.  With overseas foam, we cannot be sure of the quality or the composition, so we are very wary of recommending mattresses that use memory foam not produced in the United States, with the exception of Tempur-Pedic, who has the only high quality Swedish manufacturing facility we know of.  The rest of the overseas foam makers produce memory foam that seems to flatten out with compression, even though it may feel comfortable upon the first feel.  Therefore, the memory foam made overseas may not last as long, be as safe to sleep on, and offer enough support.  Unfortunately, many companies state their beds are made in the U.S. because the mattress is put together in the U.S., even though they do not use U.S. produced foam.  For a list of companies that have produced documentation verifying that their mattresses are 100% produced in the U.S., click here.
When you take into consideration the amount of pressure you place on your shoulder and hips if you are a side sleeper, neck if you are a stomach sleeper or lower back and sacrum if you are a back sleeper, you will realize that visco-elastic pressure sensitive foam will offer you the best chance for reducing the overall pressure placed on your joints by contouring them without pushing back against them.  With latex added to a memory foam mattress it can offer a bit more spring against the concavities like the small of your back or sides, while not losing the ability to contour and displace pressure points.
Tempur-Pedic now offers a Tempur-HD, a 7.0lb. density memory foam that is more temperature sensitive.  It will feel firmer until it adapts to your body temperature, especially in cooler room environments.  At the end of 2009, they came out with the Cloud Supreme mattress, which utilizes the same multi-density, memory foam layer design of the Tri-Pedic, a mattress that came out from in 2002.  Both mattresses utilize 2 inches of 4lb.
When you lie down on a memory foam mattress, the weight and heat of your body helps shape a custom-contoured sleeping surface, so you won’t have pressure points that can cause you to wake up with aches and pains in the morning.
Mattress thickness: Memory foam mattresses generally vary in thickness from less than 8 inches to more than 13 inches.
If you enjoy sleeping on a plush surface or if you are a side sleeper, look for a memory foam mattress that is about 3 or 4 pounds.
While any thickness of memory foam mattress is going to provide the benefits of a pressure-sensitive sleep system, think about your preferences with your current mattress.
Memory foam density: Even more than thickness, the density of the mattress will determine how firm the surface will be.
Type of foam: Traditional memory foam is very popular, and you’ll see many of these mattresses available.
When you’re shopping for a memory foam mattress, you’ll enjoy the process more if you know what to look for before you start.
Memory foam mattresses will work with all types of bed frames, but platform beds are especially suited for them.
Overall, a bed with a memory foam mattress will be lower than a traditional bed.
Your bed frame: Memory foam mattresses do not require a box spring and they aren’t usually sold with them the way innerspring mattresses are.
About memory foam: Memory foam mattresses are one of the most innovative mattresses available.
Some people get warm when they sleep on traditional memory foam, however, so gel memory foam was invented.
Memory foam is a temperature- and pressure-sensitive viscoelastic material that conforms to your body shape.
Tempur-Pedic competitors such as the Novaform Serafina Gel Queen Memory Foam Mattress ($979.49 with free shipping, a low by $1) may not be dense enough to provide proper support, especially for the above-average sized American.
However, more dense memory foam does not necessarily result in greater customer satisfaction: around 80% of memory foam bed users are satisfied with their product, whether sleeping on a high-end mattress like Tempur-Pedic or a cheaper knockoff.
Although Tempur-Pedic mattresses have a reputation for being among the priciest solutions to a good night’s sleep, over 7 million people have made that choice and are resting easy, content with their memory foam beds.
Speaking of heat, a number of Tempur-Pedic users found their mattress to be more firm than expected upon first use, though the foam softened and became comfortable as it absorbed body heat.
Given that customer satisfaction is fairly evenly distributed among memory foam sleepers regardless of brand, it’s hard to substantiate the claim that Tempur-Pedic provides a better night’s sleep than some of its less expensive competitors.
Thankfully there are other memory foam mattress brands that are not expensive and have the added benefit if being cooler than a Tempurpedic that runs hot.
In light of price point, it seems reasonable to suggest testing out a less expensive memory foam mattress from Ikea or Costco to start.
Also inquire as to how the reaction time is [ too slow= potential to get stuck in hole, too fast= is it even memory foam, look for something in the middle.] Mattress cover tickings should be breathable, and a PCM [PHase Change Material] is ideal.
After a few minutes you find yourself sinking into a hole! I ended up sending back a memory foam mattress at the end of the trial period in favor of a conventional innerspring mattress.
The Signature Sleep Memoir 8" Memory Foam Mattress in Full ($199 with free shipping, a low by $100) has a 9 ILD.
Do your research before buying a memory foam mattress! I’m now shopping for an organic mattress and hope to get my health back.
Unlike conventional innerspring mattresses, Tempur-Pedic mattresses are made of memory foam.
And while density and ILD do carry some import — I’ve found memory foams 4 lb density and higher offer better support and comfort than less dense memory foams, and having a low ILD means the memory foam has a soft feel — I’ve seen in my real world testing that memory foams with identical specs for density and ILD got very different ratings for overall comfort.
But if you can, look for objective reviews on the memory foam mattresses you are considering, and try to get a feel for both the overall ratings for comfort and also people’s sense of the feel (firmness and support) offered by that particular memory foam mattress.
As for densities of memory foam used in a mattress, for a long time I’ve often heard from customers that they liked the feel of the "less dense memory foams" (memory foams 4 lb density or so, or what I refer to as medium density memory foams) better than that of the high density memory foam of the "leading brand" (memory foam of 5 lb or greater density).
Based on over 18,000 real people’s mattress reviews, the meta site Sleep Like the Dead [1] found that in analyzing this information that memory foam mattresses received the highest level of customer satisfaction of any mattress type at 81%.
As I said before, the memory foam used in our 10" Memory Foam Mattress just got much higher ratings for comfort than the other memory foams I tested.
That is why it is really important to understand not only the quality issues that go into making a memory foam, but also why I focus so much on our products on real customer reviews to gauge how comfortable a particular type of memory foam or layered memory foam mattress configuration really is.
Our 10" Memory Foam Mattress offers 4 inches of memory foam, and we’ve had a great response from customers on their feel and comfort.
While memory foam was developed for NASA in the 1970’s, it didn’t hit the consumer market until the early 1990’s – first as memory foam mattress topper pads, and later used in memory foam mattresses.
Why Has Memory Foam Become The Fastest Growing Segment In The Mattress Industry? Comfort — In A Survey Of Over 135,000 Mattress Reviews, Memory Foam Received The Highest Overall Satisfaction Rating At 81% vs Just A 68% Satisfaction Rating For Innersprings.
As you will see on this page, our 10" Memory Foam Mattress stood head and shoulders above the other memory foam mattresses we tested — with an amazing 95%, of our over 330+ customers who have posted a review, saying they would recommend our 10" Memory Foam Mattress to a friend.
I hear from people all the time that get immersed in the technical details — they want to know the different densities and ILD (or IFD — which is a measure of how hard the foam is) — as though these specs are they keys to buying a memory foam topper or mattress.
For my mattress test, this meant getting samples from lots of companies, then testing out 6 different memory foam mattress using a variety of foams — US, Canadian and European.
To get a better feel for how a memory foam mattress topper pad can give you a better quality of sleep, see our Memory Foam Mattress Topper Page and Buying Guide.
A few years ago when I was looking at memory foam mattress options, I sorted through all the different options and found 6 memory foam mattresses that met all my various criteria (as I set out in detail above).
— but not as comfortable as you would like (looking for a softer feel, less aches and pains in the morning, etc), then a memory foam mattress topper pad may well do the job.
And I’ve gone with a layer of 4 lb memory foam on top of a layer of 5 lb memory foam in our mattress to offer the soft feel of the 4 lb as you first lay down, and the more supportive feel of the 5 lb as you then sink into the mattress.
While specific types of memory foam do differ in the level of comfort they offer, looking at the broader picture, overall memory foams in general are unique in many ways versus other comfort products used in bedding.
So not all memory foam is created equal — some really do offer a different level of comfort, and only by looking at real world results, not specs, will you be able to get a feel for the comfort of a particular type of memory foam.
In the test I did to pick our latest memory foam mattress, there was a gaping difference in comfort ratings by our testers of the lowest rated mattress and the top rated (which is now the mattress we carry).
I attribute it to the quality of the memory foam we use — all US made foams, all Certipur-US certified — as well as the testing that demonstrated that this particular memory foam mattresses’ design and construction was much more comfortable than the average memory foam bed (and leagues beyond the innerspring satisfaction of 63%).
For those looking for memory foam mattresses, we offer The Healthy Foundations 10" Memory Foam Mattress.
While you could get by with 2 inches of memory foam in a mattress, 3 inches is plusher and a more comfortable feel for most people.
However while memory foam’s characteristics offers unique comfort benefits, you wouldn’t want an entire mattress made strictly of memory foam.
That is a huge difference, and shows the simple reason why memory foam has gained such popularity — it delivers comfort in a way that far surpasses the standard innerspring mattress.
Armed with the information, I hope you are able to find just the right memory foam mattress, topper pad, or other product that fits your needs.
Remember, memory foam mattresses overall had the highest rating of any mattress group averaging an 81% satisfaction rating.
Why Should You Care About Memory Foam? Because In Online Reviews It Is The Highest Rated Mattress Type With An 81% Satisfaction Rating, vs 63% For Innerspring.
For Those Needing A New Mattress, Our 10" Memory Foam Mattress — 95% Of Our Customers Say They Would Recommend It To A Friend, And I Believe In It So Much I Offer It With Our Unmatched 1 Year Money Back Guarantee.
This issue is somewhat different depending on whether you are looking to buy a memory foam mattress or a memory foam topper pad to put on your existing bed.
Since then, memory foam mattresses have become the fastest growing segment in the mattress industry.
With a mattress, you should look for at least 3 inches of medium to high density memory foam.
If you are looking for a memory foam topper pad to put on your mattress, you have many options.
And while density isn’t the end all or be all for memory foam, I’ve just found over the years that memory foams below 4 lb density just don’t have the cushion and conforming feel that I expect from memory foam.
Lately, I’ve been seeing some memory foam mattresses coming out with even lower density memory foams in their layering (by this, I mean memory foams of 3 lb density and lower).
That is why you will mainly find memory foam as a 2" or 3" topper to be used on your existing, firm mattress, or as a 2" or 3" topping layer in a new memory foam mattress.
Which ones do we recommend? We’ve looked at many topper pads, and we feel the 4 lb memory foam we decided to use in our Memory Foam Topper Pads just had the nicest feel and get great ratings and reviews from our customers.
So when you are researching a memory foam mattress, you need to look for one that uses memory foam which is both comfortable and durable.
I knew that this meant that these memory foam mattresses offered superior quality and construction, but you never know comfort till you actually test it with real peopel in their homes.
This is because the memory foam in a mattress is bonded to the "mattress core", and as such, can’t be replaced, so it must not only be comfortable, but durable as well.
And after all the results were in, one mattress stood head and shoulders above the rest — our 10" Memory Foam Mattress.
So before we go into the details about memory foam, I thought it was important to first look at the bottom line — how does memory foam compare to standard innerspring mattresses for comfort.
And since then, with a few tweaks to its design, our 10" Memory Foam Mattress is getting a 95% rating.
I’ve seen memory foam mattresses that offer much thicker memory foam layers and they feel too cushy – you get sucked in, and adjusting from side to side can be a real problem.
Personally, I still like the feel of the 4 lb density memory foams over the 3 lb memory foam.
The results, which I share in detail on our Memory Foam Mattress page were really surprising.
With every year, you see more and more companies selling memory foam mattresses and topper pads, and it is very difficult, even for those of us in the industry, to keep up with all the new memory foam products being introduced.
Since my goal, however, is to offer the best overall value, not the cheapest, I’ve stuck with the 4 lb memory foam in our toppers since I believe it offers the best combination of cushion and pressure relief along with a soft feel.
Unlike standard foams that compress and want to spring back to their original shape immediately, memory foam cells (open cell foam, which means the individual cells in the foam have holes in them) compress fully and spread their air pressure to adjoining cells.
Certain memory foams, such as Tempur-Pedic’s ® Tempur ® foam, are fairly temperature sensitive and can get firm even near room temperature.
So while I hope that this will be something that does get better as we go forward, for now these foams just didn’t rate as high for comfort as the more traditional memory foam.
We’ve found that our 4 lb memory foam pads perform very well and really offer a softer feel than denser memory foam pads.
First, I want the memory foam in our mattresses and toppers to be at least 4 lb density.
And while this used to be just my subjective test of different memory foams — and so explains my big collection of foam I have around the house — these days I do objective testing.
They are generally made of either low density memory foam or layered with other, cheaper foam products and ingredients.
Because these manufacturers came from the consumer foam industry, rather than the medical industry, their cost structure for memory foam was much lower and they priced their products at a fraction of the Tempur ® foam.
Just by looking at the technical specs, though, of a particular memory foam, you can’t determine the overall comfort of that memory foam.
I only consider memory foams that meet Certipur-US® or similar standards for testing of foam for certain chemicals or toxins.
The memory foam used in our toppers and mattresses, in contrast, have a broader range of temperatures where they stay nice and soft, so they are soft and responsive at common room temps.
Owner experience data shows, however, that memory foam mattresses overall have fewer sagging/compression/impression complaints than most other mattress types, especially innerspring mattresses.
Our collected owner experience data shows, however, that no more than .3% of memory foam mattress owners report a mold / mildew problem.
Memory foam mattresses (or any mattress that contains a significant amount of memory foam) tend to off gas more often and more strongly than other mattress types.
THE GOOD: Memory foam mattresses overall rate as well as, if not better than, other mattress types in owner satisfaction.
Memory foam mattresses overall have more unpredictability in their firmness than do other mattress types.
Owner experience data suggests that lower priced memory foam mattresses tend to be somewhat more likely to have firmness unpredictability than those that are higher priced.
Owner experience data suggests that a box spring (coiled springs contained in a box-like frame) may not properly support the mattress and thus undermine the contouring and molding ability of memory foam.
Owner experience data suggests that the use of a proper foundation and frame can make a significant difference in both the comfort and lifespan of memory foam mattresses.
Light person friendly c Given the weight sensitivity of memory foam, small people (110 lbs or less) tend to benefit the least from the contouring properties of the foam, especially if the mattress is firm.
No noise a Memory foam mattresses are silent unlike most other mattress types.
– Overall Mattress Thickness: On average, high-priced memory foam mattresses are at least 75% thicker than low-priced ones.
The loss of a flat, supportive and level sleep surface due to mattress sagging, mattress compression/compaction and or the development of body impressions is a top complaint from mattress owners overall, including memory foam mattress owners.
See the mattress comparisons for more on how memory foam compares to innerspring beds as well as the other mattress types.
The base layer of low-priced memory foam beds tends to make up a greater portion of overall mattress thickness compared to high-priced memory foam beds.
Our ratings are based on 6,900+ memory foam mattress bed consumer experiences that were gathered from a combination of online message boards, retailer websites and product review websites.
About 15% of memory foam mattress owners report significant off gassing.
More memory foam tends to provide somewhat increased comfort, contouring support and, perhaps, mattress longevity.
The chart below shows how memory foam compares to other mattress types in regard to longevity / lifespan.
Owner experience data shows that memory foam mattresses may become softer as they age and wear.
Opinions vary, but a majority of memory foam mattress owners say that their bed is at least acceptable for romance.
In addition, you should be aware of the foundation and frame requirements of the specific memory foam mattress you purchase because an improper foundation and or frame can void the mattress warranty.
The various memory foam mattress brands and models tend to rate fairly similar to one another.
Using an electric blanket or electric mattress pad with a memory foam bed can reduce the bed’s comfort and pain-relief potential.
As the foam ages and wears, it will lose at least some of this resiliency or "memory." This can result in sagging, compression and body impression development which can undermine support and comfort, say owners.
Taking all warranty aspects into consideration – length, prorated period, sagging depth threshold, exclusions – memory foam mattresses overall as a group have above-average warranties.
See memory foam vs latex mattresses for a detailed comparison based on actual consumer experiences.
– Base Layer Thickness: The base layer of a memory foam bed consists of relatively inexpensive foam and often makes up 50-80% of overall mattress thickness.
Owner satisfaction b Memory foam mattresses as a group have 81% owner satisfaction (81 out of 100 based on 6913 reviews).
(See brand comparison below.) Longevity / durability b- Longevity can differ by brand, but memory foam mattresses have on average about a 7-year lifespan.
Our research based on actual consumer experiences shows the opposite: Domestically made memory foam has significantly more off gassing reports than foreign-made foam.
Entry-level (low-priced) memory foam mattresses tend to have a 5- or 10-year warranty; mid-priced mattresses often have a 10- or 20-year warranty; and luxury-level (high-priced) mattresses often have a 10-25-year warranty.
This material is touted to sleep cool longer than regular memory foam, and based on our collected consumer experience data it does reduce sleeping hot complaints by about one-third.
– Memory Foam Density: High-priced memory foam beds tend to use memory foam that is 50-100% higher in density than what low-priced beds use.
A mattress protector can protect a memory foam mattress against dust mites, bacteria, sweat, urine and fluids.
Memory foam mattress lifespan is not clearly correlated with price.
Mold and mildew development on memory foam mattresses is an issue that receives significant publicity.
With few exceptions, such as the Tempur-Pedic Choice (memory foam / air hybrid) and the Bed In A Box Natural Silk Elegance Comfort Adjust, memory foam mattresses do not provide this feature.
A memory foam topper can provide many benefits of a memory foam mattress – often for significantly less money.
Foundation: Most memory foam mattresses, including Tempur-Pedic, are designed to work on a firm, solid-surface, non-spring foundation with no irregularities.
On this issue, comfort is the reported top advantage of memory foam mattresses, while a lack of bounce is the main disadvantage.
The lifespan of memory foam mattresses usually ranges from 4 to 12 years with regular use, with about a 7-year useful life on average.
According to owner experience data, the use of a protector, however, can reduce the contouring and molding properties of memory foam by at least 25%.
Heavy person friendly b+ Given the weight sensitivity of memory foam, large people (200 lbs+) tend to benefit the most from the foam’s contouring properties.
(See returning a mattress: what you should know.) Availability b+ Memory foam mattresses are common both in showrooms and online.
Or owners who buy more than one memory foam bed of the same model and specifications may report that each bed has a unique firmness and feel to some degree.
If you have recently purchased a new mattress or if your mattress is in very good condition then we recommend that you add a memory foam topper to your existing mattress rather than go to the expense of buying a new memory foam mattress.  After all, a memory foam mattress is composed of a 2-4 inches of memory foam anyway.
They describe their purpose as "NASA’s mission is to pioneer the future in space exploration, scientific discovery and aeronautics research".  They required a seating material that would reduce the impact of the g-forces at the time of take off and cushion the astronauts during their long journey into space and back again.  Visco-elastic memory foam was a scientific discovery made by NASA to fulfill this objective.
A 2 inch memory foam topper adds a soft layer to a regular mattress.
The 5 lb density memory foam is a little firmer because denser memory foam in general tends to be firmer, with a slower "recovery" time, ie the foam does not recover as quickly a lighter foams.
For this reason it is always good to use a mattress pad cover with your memory foam topper or mattress.
So if your mattress is particularly firm, then choose a 3 or 4 inch memory foam topper to go on top of it.
Those who have slept on a memory foam mattress report they feel “like I am sleeping on a cloud of comfort.” This is why there is the claim that memory foam gives relief from pressure points.
In fact, this is the most ideal topper combination for most people.  In the case of heavier people the memory foam layer will have to be replaced regularly, perhaps as often once a year.
Once you have decided to buy a memory foam mattress or mattress pad topper please use our simple guide to help you in your selection.
If you are in the market for memory foam and haven’t decided on whether you want to buy a new memory foam mattress or whether you want to buy a memory foam topper here are a few considerations.
How to choose a Memory Foam Mattress or Memory Foam Topper Pad There are many reasons to choose a memory foam mattress.
If a memory foam mattress or topper is exposed to water it will nullify the warranty.
The mattress pad cover will protect the memory foam from exposure to moisture from body sweat or liquids.
Some memory foam warranties will be nullified if the product is not used in conjunction with a mattress pad cover.
To enjoy the true memory foam experinece it is good to use memory foam that is at least 3 lb density.  But the higher density memory foam holds the impression for quite a bit longer.
Even though a memory foam mattress is 10-12 inches in height, it is not ALL memory foam.
The memory foam is always the top layer of foam in a memory foam mattress.
This is because it is not necessary for a memory foam mattress to have over 4 inches of memory foam.
There are many other memory foam products to choose from: Including memory foam pillows, memory foam guest beds, memory foam lumbar support pillows, memory foam body pillows etc.
A 3 inch layer adds an even softer layer, but a 4 inch layer will give a slightly richer memory foam experience (but not much more).
In general, memory foam toppers will last 5-10 years with the denser, heavier foams lasting up to 10 years.
Another consideration when buying a memory foam mattress is the height of the memory foam.
Many people generally assume that the "best memory foam" would be the most expensive  and the most dense foam.
Some people have reported experiencing discomfort when they move from position to position on very dense memory foam.
Another recommendation for those of heavier weight is to use a memory foam topper with  a latex topper underneath.
The 3lb memory foam is slightly firmer because it has a little less memory and therefore doesn’t have quit as much "give".
Most memory foam pillows are formed in the "contour pillow" design.
The best memory foam is the most comfortable memory foam and the density of the most comfortable memory foams are in the middle to high range, from 3 lb to 5 lb.
In terms of the memory foam experience, there is no difference between a 4 inch memory foam layer and a 5 inch layer.
Most of these products are designed using the memory foam density that most suites the product.
But in the case of the memory foam pillow it is possible to choose density and size.
This is the "memory" feature of the memory foam.
If one partner moves on the bed the movement is not transfered to the other partner, thus another advantage of memory foam over conventional mattresses.
The reason customers are also very happy with 5 lb memory foam is that is has more luxurious feel.
The differences in memory foam basically comes down to differences in the density of the foam.
Memory foam toppers come in heights ranging from 2 inches to 5 inches.
The more dense the memory foam is, the longer it holds the impressions.
The more dense the memory foam is, the heavier it is and the more expensive it is.
Memory foam was first developed by NASA, National Aeronautics and Space Administration.
Because memory foam is a temperature sensitive material it can be heat generating.
This demonstration showed that memory foam, unlike regular spring mattresses, deflects motion.
The denser the memory foam is, the longer it holds impressions.
But there are certain patented fabrics which help to neutralize the heat of the memory foam, such as CoolMax fabric.
But it is not the highest quality memory foam and will not give the true memory foam experience.
In fact, it is more similar to normal poly-urethane foam with some slight memory properties.
NOTE: Memory Foam is not designed for those who weigh over 250 lbs*.
It is not recommended that memory foam be washed or made wet in any way.
These are the same heights used in the construction of the memory foam mattresses.
The 2 lb memory foam is generally manufactured in China and is sold in most department stores as genuine memory foam, which it is.
The 4 lb memory foam is softer and this is our top recommendation.
Also 5 lb memory foam is the most durable.
Memory foam is not for everyone.
The 4 lb memory foam is just right.
Eric Goordman manager of the Bedding Shoppe in Parsippany, NJ, offers advice on how to buy a memory foam mattress.
The first thing that makes a memory foam mattress so great is the way it adapts to temperature.
Who Makes it?:  Its very important to ask who makes the mattress and where there memory foam comes from.
There are plenty of things that you need to be aware of when you go shopping for a memory foam mattress.
What you may not know is that today’s hot mattress technology is memory foam mattresses.
Density: The density of a foam mattress is one of most looked at characteristics when buying a new mattress.
If your like most people then you have been using a good old spring mattress for years.
You say you had a good quantity of sleep last night, but maybe the quality of your sleep is not as good as it could be? Having a good sleep routine — including a consistent bedtime and wake time — often is the key to getting the quality sleep night after night that your body needs for optimal health.
You say you had a good quantity of sleep last night, but maybe the quality of your sleep is not as good as it could be? Having a good sleep routine — including a consistent bedtime and waking up at the same time — often is the key to getting the quality sleep night after night that your body needs for optimal health.
Some people say they can function on four to six hours of sleep each night, but research shows that adults who get fewer than seven hours of sleep — whether for just one night or over the course of days, weeks, or months — have more difficulty concentrating and more mood problems than people who sleep seven to nine hours.
Having a good sleep routine often is the key to getting the quality sleep night after night that your body needs for optimal health.
If you’re concerned about having trouble falling asleep, staying asleep, or sleeping too much, assess your risk for a sleep disorder.
Poor quality sleep can affect many areas of your life and health, and your doctor may be able to help you if you have difficulty sleeping or have insomnia or other sleep disorders.
Poor quality sleep can affect many areas of your life and health, and your doctor may be able to help you if you have difficulty sleeping, have insomnia, or have other sleep disorders.
And if you’re concerned about having trouble falling asleep or staying asleep, assess your risk for a sleep disorder.
If you’re concerned about having trouble falling asleep or staying asleep, assess your risk for a sleep disorder.
Poor quality sleep can affect many areas of your life and health, and your doctor may be able to help you if you have insomnia, another sleep disorder, or conditions affecting your sleep.
Poor quality sleep can affect many areas of your life and health, and your doctor may be able to help you if you have insomnia or another sleep disorder or conditions affecting your sleep.
First a bit of history – Memory foam was originally developed by NASA to ease the pressure of extreme G-force during space shuttle take off.  It was never used in the space program, but was used in medical applications (e.g., for patients suffering from pressure sores or bed-bound for a long period).  Memory foam was initially too expensive for general use, but in recent years it has become cheaper to produce and is now widely available.  Its most common domestic applications are mattresses, pillows and mattress toppers (also known as mattress pads).
The density is perhaps the most important aspect of memory foam.  The more density the mattress has, the better the quality.  The density is also an indicator of comfort.  Higher density memory foam reacts to body heat which allows it to mold itself to the shape of a warm body within a few minutes.  Its heat-retaining properties are also helpful to some pain sufferers, who find the added warmth helps alleviate pain.
I purchased a traditional mattress a few years ago and was not ready to throw it out so I decided on a topper.  I identified that a topper is a good investment when your mattress still has some longevity or you’re not ready financially to make the leap to a full memory foam mattress.  A topper is also a good way to get used to memory foam before committing to a mattress.  I’m very happy with my topper and I’m already looking forward to buying my first memory foam mattress.
While it is more expensive than a traditional mattress, it is a great investment that does not deteriorate the same way over time.  Also, you do not need to flip a memory foam mattress as it always bounces back to it’s original shape.  This is a big plus since a king-sized mattress is very heavy and awkward to flip.
Mattress toppers lie on top of an existing mattress.  They provide a layer of comfort and warmth between the user and the mattress.  They beneficial when the existing mattress is worn or uncomfortable.  They would be great in a dorm room at university so that you don’t have to sleep on a mattress that countless other students have slept on!  As I stated earlier, a mattress topper much more cost effective when you have a relatively new mattress.
Positive Memory Foam Mattress Reviews: Comfortable, Supportive, Holds Shape Based on 270 customer reviews, memory foam mattresses received an average of 4.3 out of 5 stars.
Sealy Comfort Series Memory Foam Mattresses A very popular and highly rated line of memory foam mattresses, the Sealy Comfort Series has the reputation of a 130-year-old mattress manufacturer behind it.
Serta iComfort Memory Foam Mattresses This line of memory foam mattresses is rather unique, in that it features an additional ingredient to the memory foam mattress recipe: gel.
EcoSleep Memory Foam Mattresses EcoSleep memory foam mattresses are the more natural memory foam mattress option.
Gel memory foam provides better support to the neck and spine, and it brings added durability to the mattress, helping to extend the comfort life.
Here is a summary of our memory foam mattress reviews written by customers who purchased a memory foam mattress from US-Mattress between January 2008 and April 2012.
Negative Memory Foam Mattress Reviews: Develops Cavity, Too Hard, Bad Odor Out of the 270 customers who reviewed a memory foam mattress purchase, only 35 were unhappy.
One of my main concerns with going to an all memory foam mattress was waking up too hot, because I had this problem on my previous pillow top.
We offer memory foam mattresses from a number of brands, including Simmons Beautyrest, Sealy, EcoSleep, Serta, and Dormia.
The majority of respondents felt their new memory foam mattress was too hard.
Here are the top rated memory foam mattress manufacturers.
Looking for the top rated memory foam mattresses? You can learn more about specific memory foam mattresses by browsing our site and clicking on a product to read actual customer reviews and testimonials.
"I bought this to replace another memory foam mattress.
If you’ve been sleeping on a busted old mattress with a busted old boxspring and a ridiculous memory foam topper that only makes things worse, things are looking up when you first lie on the Sleep Innovations mattress.
I really want to be clear that this is a troublesome bed for this not-too-picky sleeper and encourage you to think twice before ignoring the critical reviews of the Sleep Innovations 12-inch Sure Temp Memory Foam Mattress – Queen Size.
The Sleep Innovations 12-inch SureTemp memory foam mattress has been designed to provide you with a better night’s sleep so you can wake up feeling rested and rejuvenated.
The Sleep Innovations 12-inch Memory Foam Mattress consists of two layers: a 2.5-inch top layer of breathable SureTemp Memory Foam and a 9.5-inch bottom layer of responsive support foam.
I’m not a big Amazon reviewer, but I spent so much time reading mattress reviews before I bought the Sleep Innovations 12" Queen mattress that I felt I should contribute to the discussion as there seems to be a disproportionate number of wholly positive reviews on here.
Read our reviews and see what people are saying about the Sleep Innovations SureTemp mattress line.
Temperature sensitive foams will feel firmer on cold rooms and softer in warmer rooms (versus temperature neutral foams), layers will soften slightly over time and beds with thin layers of memory foam can feel overly firm if you “bottom out” on the core.
Buying a memory foam mattress online can be excellent way to save money and skip the hassle of showrooms, but many people are unsure where to start.
Traditional memory foam is the classic, dense, temperature sensitive material most people envision when they think of this type of mattress.
This type of mattress is constructed using at least two layers, the upper memory foam layer(s), and a firmer support base.
An article from Mattress Journal offers a good overview of memory foam mattress types and brands, including traditional (Tempurpedic), gel (iComfort) and plant-based (Amerisleep).
By understanding what makes memory foam good and employing smart shopping strategies, you can buy a memory foam mattress online with confidence.
When buying a memory foam mattress online, we recommend erring on the side of too-firm, since you can always add a topper for additional plushness, but fixing a too soft mattress is not so simple.
Is it too soft or firm, and to what extent? Also, keep in mind that memory foam firmness can feel different depending on the type of foam and thickness of layers.
First, know that a memory foam mattress feels different from other bedding foams and spring mattresses.
The retailer should openly display information about the memory foam mattress layers on the product webpage.
If you have never tried this type of bed before, you can take a trip a local store to get an idea of what a memory foam mattress feels like.
Based on what you discover your preferences to be, you can use specific search terms to sort the noise, like perhaps “high-density memory foam” or “eco-friendly memory foam”, as opposed to the more general “memory foam mattress”.
Be sure to inquire about total fees you would be responsible for should you return the memory foam mattress.
This is why low-density memory foam mattress brands tend to be considerably cheaper.
Companies who offer high quality memory foam mattresses are not afraid of allowing customers generous return policies, often superior to local stores.
High quality memory foam mattresses will have upper layers with densities between 4.0 pounds to 5.3 pounds, on average.
It's really a memory foam mattress buyer guide so that you know what you need to look out for when buying a memory foam mattress.At I review only the best memory foam mattresses and there are also suggestions on memory foam mattress toppers and pillows.
Memory Foam Mattresses & Toppers – Double – Single – Kingsize … We are specialist online supplier of top quality, low priced memory foam mattress.
All Size Mattresses Find information and tips on how to select memory foam mattress topper and mattresses for the best comfort of your sleep.
– In this video I talk about how to choose the best memory foam mattress so that you can sleep soundly at night.
Is really the … First of all, it would be impossible to say what the best memory foam mattress is because much of what goes into the correct answer would be subjective.
Learn everything about the best memory foam mattress and various mattress type to determine the right choice for you.
Planning on buying a memory foam mattress.
Viscous, closed cell foams are more likely retain heat near your body, and traditional memory foam mattress brands tend to receive the most complaints.
Like with many other products, it is important to read the warranty information of the memory foam mattress retailer very carefully.
Considering a new memory foam mattress but not quite sure where to start? Whether it is your first time buying a memory foam mattress, or you are replacing an old one, it is essential that you explore your options before making any decisions.
Shopping for a memory foam mattress is just like shopping for any other major purchase – it should involve careful research and consideration.
Density is important when looking for the right memory foam mattress.
A testing period for your memory foam mattress is essential, especially if it is your first try with the type.
The more research you do and the better informed you are, the more likely it is you will find the perfect memory foam mattress.
One of the key distinctions in the memory foam mattress market is the type of material used in the bed.
One of the best things that you can do when shopping for a memory foam mattress is shop around.
This, the ideal density for a memory foam mattress is between 4.0-5.3 lbs.

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