The Sleep Number Bed Review You Can Actually Trust

No commission • No endorsements • Based on owner experiences • Since 2008 • More

Does a well-established airbed with auto-adjustable comfort on both sides that is widely available in (Sleep Number) stores sound good? Then Sleep Number might be for you.

But if you seek a high-value, always reliable, silent, easy-to-use, low-maintenance bed, then Sleep Number (and airbeds in general) might not be for you.

All things considered, Sleep Like The Dead rates Sleep Number a C+.


Sleep Number Bed Ratings – Overview
Company Ratings
Main Competition
Owner Satisfaction
Adjustable firmness
Longevity / Durability
Pressure Relief
Support Potential
Ease / Difficulty of Use
Flat and Level Surface (Middle Area)
Price and value
Firmness Stability (Air Loss / Gain)
Pain Reduction / Increase
Topper usage
Initial Odor
Sleep quality
Motion isolation
Weight and Ease of Transport
Sex Suitability
Sleep Temperature
Motion Isolation
Maintenance Needs
Adjustable Bed Bases – FlexFit
Model Ratings, Prices, Specs, Comments
Person Size & Sleep Position Suitability

About Our Sleep Number Bed Research

Ratings and finding are based on 1,700+ Sleep Number bed owner experiences gathered using an unbiased, accurate research methodology.

Sleep Number Bed Performance Ratings & Analysis

The table below shows how Sleep Number models rate compared to the average mattress.

  c2* C4* P5* p6* I7* I8* i10*
Owner satisfaction C+ B- b b B B b
Price B- C C- D+ D D d-
Durability c+ C+ c+ c- C- C c-
Longevity A- A- B+ B+ B+ B+ B+
Minimizes pressure C+ B- B- B+ A- B A-
Support potential B- B- B b B B B
Level sleep surface D+ C- D+ C- C- d+ C-
Sleep quality C+ B- B B B B B
Less (back) pain B- B B B B- B- b-
No initial odor C C C C C- C C-
No sleeping hot B B- c+ c C- C C-
Adjustable firmness range A- b+ B B B- B B-
Motion isolation C+ C+ b- b- B- B- b
Ease of (initial) use D+ D+ D+ D D D+ D
Back sleep friendly B- B B+ B+ B B B
Side sleep friendly C+ B- B B B B b
Front sleep friendly C C+ B- B- C+ B- C+
Big person friendly D+ C- C+ C+ C+ B- B
Good for sex C- C- c- c- C- C- c-
No noise C- C- C- C- C- C- C-
Low maintenance D D D D+ D+ D+ D+
Fast break in B- C+ C C C- c C
No topper needed C- C B- B B+ B A-
Easy to lift, move B+ B B B C+ C+ c

* Ratings are a partial estimate due to recent model revision.

Sleep Number Specifications Ratings & Analysis

Sleep Number is an air-based mattress or airbed. Aside from the air chambers, bed components are made in USA. The ratings show how Sleep Number's materials and construction compare to the average mattress.

Cover C+ Cover fabric is a blend of polyester, polypropylene, and elastan / lycra.
Comfort layer(s) C+ Materials consists of approximately 2-6 inches depending on the model of foam / memory foam infused with gel (most common) or perhaps graphite or ceramic.
Base layer C One air chamber is used on twin and full models; two are used on queen and king models. Sleep Number does not disclose any further information on its air chambers. We estimate them to be 6-8 inches tall and made of latex / cotton.
OVERALL RATING C+ This rating is determined by averaging the above specification ratings.

Sleep Number / Select Comfort Company Ratings & Analysis

The ratings below – based on consumer experiences and the evaluation of Sleep Like The Dead – show how Sleep Number compares to the average mattress manufacturer.

Warranty coverage D+ 25-year limited warranty, but owners overall give the warranty a below-average rating mainly because non-prorated coverage ends after year two of ownership. And some smart bed electronics have a 2-year total warranty. See Sleep Number warranty details. (Also see mattress warranties: what to know.)
Return policy D+ 100-day trial period which allows customer to – after 30 days – return the bed for an exchange or a 100% refund minus return shipping/delivery fee. The customer is responsible for preparing the bed components for shipping. As is often true for other brands, there are no returns or exchanges for adjustable bases, closeout or demo bed models. (See returning a mattress: what to know.)
Customer service C+ Sleep Number / Select Comfort customer service overall is considered by consumers to be generally similar to if not somewhat better than that of other major mattress makers.
Marketing accuracy B Sleep Number's marketing presentation tends to be essentially factual with limited hyperbole.
Specs and policies disclosed D Disclosing specifications allows consumers to know what they are paying for and to comparison shop. At, only the most basic mattress specs are given, and features are often vaguely described. In addition, locating information about the return policy as well as the warranty at is unusually difficult.
Access to customer reviews B+ At its website, Sleep Number for most models allows sortable, easy access to owner reviews posted there, including those that are negative.
Integrity of customer reviews C+ In total, ratings at are higher than those found at independent sources by about 10 percentage points.
Time in business A+ In business since 1987.
BBB rating A+ Select Comfort Corp. has maintained an "A+" Better Business Bureau rating for many years. Learn about the meaning of BBB ratings.
Number of BBB complaints D+ 780+ BBB complaints against Select Comfort Corp. have been filed in the past three years. This number is more than triple that of other major mattress makers. Many complaints are due to delayed delivery and poor customer service caused by a late-2015 company computer conversion. The high number is also due in part to the fact that Select Comfort – unlike other major mattress makers – is the exclusive retailer of their mattress and therefore all complaints go to Select Comfort as opposed to being dispersed among independent retailers to some extent.
OVERALL RATING C+ This rating is determined by averaging the above company ratings.

Sleep Like The Dead (SLTD) Rating for Sleep Number

SLTD RATING C+ SLTD (Sleep Like The Dead) rating for Sleep Number is determined by averaging the performance, specification, and company ratings.

Main Competition

Other airbeds and specialty beds such as Tempur-Pedic. (See Sleep Number vs Tempur-Pedic). Also see the mattress comparison to learn how other brands and models compare to Sleep Number.

Owner Satisfaction

Sleep Number beds overall have 77% owner satisfaction with satisfaction among the individual models varying somewhat. By comparison, all mattresses overall (innerspring, air, memory foam, latex, futon) have 73% owner satisfaction, while all airbeds overall have 78%.

sleep number owner satisfaction comparison

Price / Value

The average Sleep Number mattress is about 10% more expensive than the average airbed and about 40% more than the average mattress regardless of type. (See all Sleep Number model prices.)

sleep number price comparison chart
* Does not include shipping / set up cost which is $0-$200.

In addition to the initial price, maintenance costs are often required to keep the Sleep Number bed (and airbeds in general) comfortable and functioning properly. These costs can be substantial as non-prorated warranty coverage ends after the second year of ownership. Also, the air pumps use electricity to operate and thus contribute to an owner's electricity bill – albeit slightly.


Most mattresses priced similar to Sleep Number are heavy in weight and are made with at least somewhat exotic materials.

Sleep Number beds, by contrast, are fairly lightweight and are made mostly with relatively simple materials. This causes a significant number of owners to question the high price and overall value of the bed. The term "glorified camping mattress" is often used by these owners to describe the bed.

Value is also reduced somewhat by the fact that at least 15% of owners report the need to add / buy a mattress topper – often priced $35 to $500 – to improve comfort.

About 20% of Sleep Number owners regard their mattress to be a good value. But the majority of owners regard it to be no better than a fair value. And about 25% regard it to be a poor value. In fact, Sleep Number bed owners question the value of their bed more than owners of any other major mattress brand including Tempur-Pedic.

It is possible, however, that the recently introduced smart bed Sleep Number models may improve overall value perception.

sleep number value comparison chart

Adjustable Firmness

Airbeds, including Sleep Number beds, are the only type of bed that provide instant firmness adjustment. At least 45% of Sleep Number bed owners praise their bed for this feature. However, finding one's ideal adjustment setting or "sleep number" can take considerable time and patience.

Adjustable firmness is well-liked by owners primarily for these reasons:

It must be noted that at least 15% of owners do not agree that a Sleep Number bed truly has adjustable firmness, that is, the ability to change from soft to firm or firm to soft.

Instead, they say the bed has adjustable support, meaning that adjustment affects spinal alignment, not firmness levels. In other words, these owners say that a lower number does not feel softer, just flatter, and a higher number does not feel firmer, just more bulging.

Firmness Stability (Air Loss / Gain)

At least 12% of Sleep Number bed owners report that their bed loses air, either slowly or quickly. Faulty air pumps, loose connections, malfunctioning controllers and air bladder leaks are the most common causes of significant air loss. Air loss can result in reduced comfort and support and may even cause pain, including back pain. It can also result in less than restful sleep due to the owner needing to readjust the firmness throughout the night.

In addition, for the smart bed models especially, firmness settings can automatically fluctuate significantly in either direction, depending on temperature, barometric pressure, weight and sleeping position.

Durability and Longevity

With most mattresses, durability and longevity mean basically the same thing. But with the Sleep Number bed (and airbeds in general), these issues can be evaluated separately.


Mattress durability refers to how well a mattress holds up to regular use without something breaking or deteriorating. On this issue, the Sleep Number bed performs average or worse compared to mattresses overall. This is largely because the bed, unlike other mattress types, is mechanical in some ways with many different parts and, as a result, more can conceivably go wrong with it.

At least 20% of Sleep Number bed owners report having over the span of ownership at least one durability problem – such as a leaky air chamber, broken air pump, malfunctioning controller, deteriorating comfort layer, bulging sides, compressed foam borders and failing edge support. Such problems can cause discomfort and undermine sleep quality.

The Select Comfort Mattress durability chart


Longevity refers to the lifespan of a mattress. Sleep Number beds have better longevity than most mattresses in part because any problem that the beds develop can be repaired with a replacement part sent to the owner from Sleep Number / Select Comfort. Replacement parts can be not only mechanical and electronic parts, such as pumps and controllers, but also support foam and comfort layers.

By contrast, with other types of beds, such as innerspring mattresses, if something stops working properly or deteriorates, such as the spring system or comfort layer, the bed usually needs to be entirely replaced.

At some point, however, during Sleep Number bed ownership, parts may no longer be available, or it will become cheaper to buy a new bed than to continue replacing parts.

As the chart below shows, owners overall report keeping their Sleep Number bed for at least 8.5 years, considerably longer than the average mattress.

sleep number bed longevity chart
* partial estimate

Pressure Relief

Air support conforms to the body to a modest extent and thereby relieves pressure. But firm models (those with a thin comfort layer) may be uncomfortable especially for side sleep.

select comfort sleep number love making suitablity chart
* partial estimate given recent model revisions.

Support Potential

Sleep Number beds (and airbeds in general) have above-average support potential when mostly or fully inflated. The pricier models appear to offer somewhat better support than the cheaper models.

sleep number bed support chart

Ease / Difficulty of (Initial) Use

Conventional mattresses are easy to use in that you simply lie on them and no adjustment is involved. By contrast, airbeds in general including Sleep Number involve a learning curve in that you must find which setting is right for you personally. At least 30% of owners say that significant time and effort was required to find their optimal setting or "sleep number."

Due to Sleep Number's auto-adjusting ability, the possible need to manually change adjustment when you change position seems less likely. Due to this auto-adjusting feature, Sleep Number seems to perform better than other airbeds on this issue.

select comfort ease of use chart

Level & Flat Sleep Surface (Middle Area)

About 20% of Sleep Number bed owners report a problem with the middle of the bed where the two air chambers meet.

Some owners say there is a "valley" or "trench" in the middle, while others report a "hump." There also can be a problem with one or both sides of the bed sloping toward the middle which can cause a sleeper to roll or slide in that direction.

The middle area may be uncomfortable to lie on, and it can be less than friendly for intimate activities, including cuddling, spooning and sex.

Sleep Number customer service may have solutions to problems with the middle, such as a "lift" which is a piece of foam that is placed under the air chambers to raise the middle.

Problems with the middle of the bed tend to be reported mainly by owners who use very different firmness settings for each side of the bed, such as 90-20. It may also be a problem when both sides use a very low or very high firmness setting.

Maintenance Needs

Low maintenance is not a strength of airbeds in general, including Sleep Number, for the following reasons.

select comfort maintenance

Pain Reduction / Increase

Pain Reduction

For about 25% of owners, a Sleep Number bed relieves or even eliminates pain that one may feel both in and out of bed. Relief of back pain especially is commonly noted.

The less expensive models, namely c2 and c4, appear to have somewhat higher pain relief potential – especially for back pain – than the more expensive Sleep Number models. This is likely due their having a thin or non-existent comfort layer which allows the sleeper to benefit fully from the conforming-to-the-body ability and supportiveness of the air chamber.

As the charts below show, Sleep Number beds perform better than the average mattress in regard to pain relief. Among Sleep Number bed owners, back sleepers are most likely to report pain decrease.

Chart 1. Portion of SLEEP NUMBER BED OWNERS reporting back pain decrease, back pain increase or no significant difference either way.

Sleep Number Bed pain relief

Chart 2. Portion of OWNERS OF THE AVERAGE MATTRESS reporting back pain decrease, back pain increase or no significant difference either way.

Average mattress pain relief

Pain Increase

At least 10% of Sleep Number bed owners say that the bed causes discomfort or pain or makes preexisting pain worse, particularly back, shoulder, hip and joint pain. The chart below shows the top reasons owners give for experiencing pain on a Sleep Number bed.

Top Reasons For Experiencing Pain

Select Comfort Complaints / Problems chart

As the chart above shows, the main cause of discomfort and pain is excessive firmness as the most affordable / popular Sleep Number beds in general are considered to be more firm than soft.

To deal with this problem, at least 15% of owners buy / add a mattress topper to their bed to improve comfort.

Air loss and the corresponding loss of support can also cause discomfort or pain. In addition, an improper setting can cause the sleep area to bow in or bow out which can put one's spine in an unnatural and uncomfortable position especially for side and stomach sleepers.

Other main causes of discomfort / pain appear to be mostly the result of the middle problem as well as a sagging comfort layer.


While conventional mattresses are often mostly if not totally silent, airbeds in general, including Sleep Number beds, can make some noise due mainly to the fact they use electric air pumps to adjust their firmness / support level.

While air pumps have become quieter in recent years, some owners (about 5%) still report that the pumps are loud enough that they cannot be used during the night without the risk of waking a sleeping partner. Pumps that are defective in some way may be especially loud.

In addition, Sleep Number beds may also produce a rustling, crunching, or squeaking noise when moved on, say about 7% of owners.

sleep number noise

Topper Usage

The number of owners needing to add a mattress topper to their Sleep Number bed to improve comfort varies considerably by model. Topper needs increase as the price of the Sleep Number model decreases due to the fact that the cheaper models have less of a comfort layer than the pricier models. This means that the cheapest model – the c2 – has the highest number of owners needing to add a topper.

sleep number topper usage compare
* partial estimate given recent model revisions.

Break-In Period

Airbeds often have a shorter break-in period than other mattress types. Thinner, less expensive Sleep Number models tend to break in faster than thicker, more expensive models. (Break-in does not apply to ease of initial use.)

sleep number breakin period

Sleep Quality

At least 30% of owners say their Sleep Number bed allows them to sleep better with less tossing, turning and restlessness. Some owners also say they sleep more efficiently on the bed, that is, they sleep more soundly and can spend less time in bed as a result.

sleep number sleep quality

Initial Odor

At least 8% of owners say their Sleep Number bed has a significant odor when new. It is often described as a rubber-like or chemical-like smell. The problem tends to diminish within two weeks for most owners but can last longer – even indefinitely – in some cases.

sleep number odor

Motion Isolation

The Sleep Number bed is for most owners at least moderately effective at localizing motion. In other words, movement made by a person on one side of the bed does not fully transfer across the bed to disturb another person on the bed. About 5% of owners, however, say their Sleep Number bed has poor motion isolation.

In addition, Sleep Number has made the following statement about motion isolation.

"Under certain circumstances, there might be motion detected (up/down) on one side of the bed if someone gets out. There is some lateral pressure exerted on the air chambers against each other where they meet. If someone gets out of bed, the occupied chamber now has more 'room' and will slightly expand to the center and cause a 'drop' for the sleeper. When the other person gets back in bed, it may cause that chamber to expand and press back against the other, causing a 'rise'."

Select comfort motion isolation

Sex Suitability

About half of the owners included in our research who commented on the issue say their Sleep Number bed is suitable for sex, or at least no less suitable than other beds. The other half say the Sleep Number bed is generally not good for sex because most models have a trench or intrusion in the bed's middle where the two air chambers meet.

This trench or intrusion, they say, makes being in the middle of the bed uncomfortable and causes them to have sex on one side of the bed or the other which does not leave enough room. However, owner experience data suggests that the trench / intrusion in the middle can be minimized by having both sides of the bed set at a moderate firmness level such as 50.

Owners also report that the trench / intrusion in the middle may not allow them to spoon or cuddle with their partner comfortably.

Other airbed brands tend to not have this degree of middle problem.

select comfort mattress love making suitablity chart
* partial estimate

For more general information see the mattress & sex comparison.

Sleep Temperature

About 6% of owners overall report significant and bothersome heat retention, especially in summer.

sleep number hot comparison chart
* partial estimate

By contrast, about 4% of owners overall report their bed sleeping cold, especially in winter.

sleep number cold comparison chart
* partial estimate

Also see: Temperature-control products for mattresses.


No more than 3% of owners report finding mold in their Sleep Number bed, usually between the foam and air chambers. A small number of these owners report feeling ill because of the mold. Mold / mildew problems in a Sleep Number bed is a well publicized and discussed issue. However, the number of owners who have a mold problem – or at least are aware of having such a problem – is small based on our collected data involving over 1,700 owners.


Sleep Number beds, like nearly all airbeds, require assembly.

For the Sleep Number smart bed models, assembly is performed by the delivery crew. For the non-smart bed models (namely the c2), assembly can be performed by the delivery crew for $110 (not including $90 delivery) or by the owner. Most owners who assemble the bed themselves say that assembly is easy and takes about 40-90 minutes depending on whether one or two people are involved.

Care should be taken with assembly as owner experience data suggests that poor assembly can cause the bed to not function properly and / or be uncomfortable. In fact, improper assembly may be a significant cause of owner dissatisfaction.

Weight and Ease of Transport

Sleep Number mattresses weigh 37-120 pounds depending on model and size making them less heavy than many conventional mattresses. Their relatively low weight is due mostly to the fact that they consist of air to a significant extent.

Their below-average weight, however, causes some people – namely those who associate low weight with cheapness – to question Sleep Number's mostly above-average price.

sleep number weight chart

The relatively low weight of the beds combined with the fact that they can be disassembled and broken down into individual components make them relatively easy to handle, lift, move, or transport.

select comfort ease of transport


Sleep Number beds have a 25-year limited warranty.

Sleep Number bed owners overall give the warranty a below-average rating mainly because non-prorated coverage ends after just the second year of ownership. (Non-prorated coverage means that the customer pays nothing for repairs / replacement, while prorated means the customer pays partial cost.) Owners also tend to be disappointed that the warranty does not cover comfort layer deterioration and flattening – a somewhat common problem.

By comparison, several other air bed brands provide a three-year non-prorated period. And the brands of most other mattress types, such as innerspring and memory foam, often provide non-prorated warranty coverage for 10 years.

select comfort customer service

For more general information, see mattress warranties: what you should know.

Sleep Number Bed Warranty Terms

0-2 years after purchase No cost to owner for repair
3-20 years after purchase Owner pays 20% of repair costs plus 4% of repair cost for each year from original purchase date. (SleepIQ module and 360 smart bed remote control not covered.)
21-25 years after purchase Owner pays 96% of repair cost. (SleepIQ module and 360 smart bed remote control not covered.)

For the 3-20 year portion of the warranty, here is an example. You have a problem that costs $200 to repair and you've had the Sleep Number Bed for 10 years. You will pay 20% of the cost ($200 x 20% = $40) plus 4% of the cost times 10 years (4% x $200 x 10 = $80). So you will owe $120 ($40+$80) of the $200 repair cost and Sleep Number will pay the rest.

In addition, after the first two years you are responsible for all shipping costs related to any repaired or replaced product.

Adjustable Bases: FlexFit 1, 2 & 3

Sleep Number sells (non-returnable) FlexFit adjustable bed bases priced $1200-$4300. These bases can raise a person's lower and / or upper body making them generally effective at providing various health, comfort and convenience benefits. Sleep Number beds can be placed on most brands of adjustable bed bases, not only FlexFit.

The value of the FlexFit models are questionable given that less expensive adjustable beds with similar or better features are available.

flexfit value comparison chart

Sleep Number Bed Model Ratings, Prices, Specifications and Comments

  Owner Satis- faction (sample) Prices Firmness2 Thickness Comfort Layer(s)2
C2 74%
$600 tw
$800 full
$1000 qn
$1500 kg
med-firm to firm 8" 2" gel-infused foam
1) Comfort layer is fairly thin at two inches. As many as 15% of c2 owners may need to use / buy a topper to soften the mattress. C2 owner satisfaction is below average mainly for this reason as Sleep Like The Dead considers the need to add a topper to be a negative overall evaluation of a mattress. However, the majority of c2 owners who add a topper are satisfied with the mattress once the topper is added.

2) Differences in firmness setting are often clearly noticeable due to relatively thin comfort layer.

3) Not ideal for large people or anyone using a low setting as bottoming out can occur due to only 8" thickness.
C4 76%
$1400 tw
$1550 full
$1700 qn
$2200 kg
med to firm 9" 3" gel- infused foam
May not be ideally suited for some side sleeper due to somewhat thin comfort layer.
P5 78%
$1850 tw
$2275 full
$2400 qn
$2900 kg
med-soft to med-firm 10" 4" foam
COMMENT: Popular model. Recently revised.
P6 78% estimate $2400 tw
$2900 qn
$3500 kg
med-soft to med-firm1 11" 4" graphite- infused foam

1" fiber
Recently revised. Differences in comfort settings may not be clearly noticeable due to thick comfort layer especially for light-weight sleepers.

I7 78% estimate $3150 tw
$3425 full
$3600 qn
$4300 kg
soft to med-firm1 11" 2.5" gel memory foam (4 lbs/ft est.)

1.5" foam

1" fiber
1) Recently revised.
2) Memory foam / air hybrid.
3) Previous iteration lowest rated Sleep Number model.
4) Differences in comfort settings may not be clearly noticeable due to thick comfort layer especially for light-weight sleepers.
I8 78%
$3150 tw
$3425 full
$3600 qn
$4300 kg
med-soft to med-firm 12" 6" foam
COMMENT: Questionable value especially at regular price. Recently revised.
I10 79% estimate $5100 qn
$5800 kg
soft to med-firm1 13" 3" foam w/ ceramic

2" foam

2" fiber
1) Recently revised.

2) Differences in comfort settings may not be clearly noticeable due to thick comfort layer especially for light-weight sleepers.
3) Estimated to have mostly neutral sleep temperature.

1 Partial estimate. Your own personal evaluation may differ.
2 While firmness / comfort can be adjusted by adding or removing air, the general firmness of the bed is largely determined by the thickness and composition of the comfort layer which varies by model. A model with a thicker comfort layer tends to be softer, while a model with a thinner one tends to be firmer. (Learn which firmness may be best for your body type and sleep position.)

Person Size and Sleep Position Suitability

The table below evaluates Sleep Number models for person size and sleep position. Due to recent model revisions, the ratings are a partial estimate, and your personal evaluation may differ. (See the mattress firmness guide for details based on your body type. And people of below- and above-average weight, see the mattress guide for large and small people.)

  Average-Sized People
(130-230 lbs)
Large People
(230+ lbs)
Small People
(under 130 lbs)
c2 Back Sleep Friendly B C C+
Side Sleep Friendly C+ C- C-
Stomach Sleep Friendly B- C C+
c4 Back Sleep Friendly B+ B B
Side Sleep Friendly B- B- C+
Stomach Sleep Friendly B- B- B
P5 Back Sleep Friendly B+ B B
Side Sleep Friendly B B B-
Stomach Sleep Friendly B- b- B
P6 Back Sleep Friendly B B B
Side Sleep Friendly B B B
Stomach Sleep Friendly B- B- B
I7 Back Sleep Friendly B B B
Side Sleep Friendly B B- B-
Stomach Sleep Friendly C+ C B-
I8 Back Sleep Friendly B B- B+
Side Sleep Friendly B+ B B
Stomach Sleep Friendly C+ C B-
I10 Back Sleep Friendly B B B
Side Sleep Friendly B B- B
Stomach Sleep Friendly C+ C B-

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Sleep Like The Dead's mattress research in The News –

About our unbiased Sleep Number Bed review & research

Ratings are based on 1,740+ Sleep Number (Select Comfort) bed owner experiences, including reviews for Classic, Performance, and Innovation series.

Learn more about our research methodology and why you can trust our mattress reviews.





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