The best under-mattress wedges

There are three ways to sleep with your head higher than your stomach, and this site has had pages about two of them since launch. You can put a wedge-shaped pillow under your torso, which is cheap and which plenty of people slide off. You can buy a motorized base that lifts the head section, which works properly and costs several hundred dollars. The third way is a ramp that goes under the mattress, so the whole bed tilts and the surface you sleep on is the one you already own - and until today we had no page about it.

That is what a mattress elevator is. Five of them below, read from their live listings and ranked on what they publish. One of them is not foam at all, and one of them cannot agree with itself about what size it is.

The blank: four of five publish a height and no angle

An under-mattress wedge is a slope. What the listings publish is the height of its thick end - 5 inches, 7 inches, 7.5 inches - and the slope itself appears on exactly one listing out of five, where it is given as 8 degrees.

Those are not the same information. A 7-inch rise over the length of a full-size bed is a gentler gradient than a 7-inch rise over a short ramp, and none of the foam products says how far down the mattress the taper runs. The figure that decides whether you can sleep on the thing - how steeply your body is tilted - is therefore published by one seller out of five, and it belongs to the only product here that is not foam at all.

Two other things are missing across the whole category and both matter more than they look. Nothing here publishes any way of stopping you sliding down - no textured top, no foot stop, no retention. And nothing here publishes a compatibility statement about adjustable bases, in a category whose main competitor is an adjustable base.

How we ranked these five

Four criteria, each scored out of ten against bands we publish, averaged unweighted - the full rubric is on our methodology page, and a specification nobody publishes scores a neutral five rather than being invented:

1. Rise and slope published. A rise in inches AND a slope in degrees is the top band; a rise alone scores lower. It leads because the angle is the product.
2. Bed fit. A bed size, a full footprint and how the piece is split for installation. A 60-inch-wide queen elevator that arrives as one slab is a different proposition from one that arrives as two 30-inch halves, because the mattress has to come off either way.
3. Material disclosure. Foam densities beat a certification, which beats a material named without numbers. On a foam ramp bearing a mattress and two people, density is the specification that decides whether 7 inches is still 7 inches in two years.
4. Care and ownership. A removable washable cover, a published settling time, a warranty term. This category ships roll-compressed and takes days to reach full height, which is worth knowing before somebody comes home from hospital.

Our ranked picks, with live prices

#	Pick	Key spec	Score	Price
Rank1	EPHEDORA ED-TP-QUEEN Under Mattress Wedge, 7.5 in, Queen Best overall	Key spec7.5 inRise	Score9.3/10	$129.99 · Check price #ad How we’re funded
Rank2	Avana Mattress Elevator 5-Inch, Queen Gentlest published incline	Key spec5 inRise	Score8.3/10	$114.99 · Check price #ad How we’re funded
Rank3	Avana Mattress Elevator 7-Inch, Full Best for a full-size bed	Key spec7 inRise	Score8.0/10	$129.00 · Check price #ad How we’re funded
Rank4	Wellness Wedge Orthopedic Bed Wedge, Two-Pack Cheapest way to test the idea	Key spec8 degreesSlope	Score8.0/10	$58.99 · Check price #ad How we’re funded
Rank5	Lazyzizi Inclined Bed Wedge, 7 in The one we would skip · we would skip this one	Key spec7 inRise	Score6.0/10	$119.99 · Check price #ad How we’re funded

Prices checked November 1, 2026. Scores are our published spec rubric, not a test result — here is exactly how they are calculated.

What each listing publishes

The bottom row is the odd one out in every column and it is the interesting one. It is the only product here that publishes an angle, the only one that is not foam, the only one that gives you two settings out of one purchase, and the only one that will not work without a box spring. It is also a fraction of the price of everything above it.

The wedges in full

1 · Best overall

EPHEDORA ED-TP-QUEEN Under Mattress Wedge, 7.5 in, Queen

The steepest full-width rise here and the only one that publishes its foam by density — 40D gel memory foam over a 25D base — under a cover that comes off and goes in the machine.

Rise

7.5 in

Our spec score

9.3/10

Best for

A full-width incline on a queen

$129.99 · Check price

As of November 1, 2026. #ad How we’re funded

What works

• The only mattress elevator here that publishes its foam as numbers — 40D on top, 25D underneath — which is the specification that decides whether a 7.5-inch rise is still 7.5 inches in two years
• Full width on a queen, in two pieces, so both sleepers stay on the mattress they already own and nobody is sleeping on a seam in the middle of a wedge
• A removable machine-washable cover and a published non-slip bottom, neither of which the foam rivals on this page offer

What doesn’t

• No slope published. A 7.5-inch rise at the head of a queen is a steeper ramp than the 5-inch options here, and how much steeper is arithmetic the listing leaves to you
• At 9 lb and full queen width it is a two-person job to fit, because the mattress has to come off and go back on over it
• No warranty term, where one rival publishes a year
• Nothing published about adjustable bases — and a rigid 7.5-inch ramp under the mattress is incompatible with a base that bends. This is a flat-bed product

Published specifications

Published specifications for the EPHEDORA ED-TP-QUEEN Under Mattress Wedge, 7.5 in, Queen

Rise	7.5 in
Slope	Not published
Bed size	Queen, 60 in wide, supplied as two pieces
Foam	40D gel memory foam top over a 25D foam base
Cover	Removable, machine washable
Non-slip	Published non-slip bottom
Weight	9 lb
Extras	Side pockets for bedside items
Settling time	24 to 48 hours to expand, depending on room temperature
Warranty	Not published

Read from the product listing on 2026-10-31. Blanks are specifications the manufacturer does not publish, not figures we could not be bothered to find.

How the score was reached

Rubric breakdown for the EPHEDORA ED-TP-QUEEN Under Mattress Wedge, 7.5 in, Queen

Rise and slope publishedA rise in inches published; no slope in degrees.	8
Bed fitA bed size, a full 60 in width and a two-piece split all published.	10
Material disclosureBoth layers published by density — 40D gel memory foam over a 25D base.	10
Care and ownershipA removable machine-washable cover and a published settling time; no warranty.	9
Mean, rounded to one decimal	9.3

2 · Gentlest published incline

Avana Mattress Elevator 5-Inch, Queen

The gentlest published incline in the category, on CertiPUR-US foam made in the US, and the only mattress elevator here whose listing publishes a warranty term.

Rise

5 in

Our spec score

8.3/10

Best for

A gentle incline to start with

$114.99 · Check price

As of November 1, 2026. #ad How we’re funded

What works

• Five inches is the gentlest rise on this page, which is the right place to start if nobody has slept on an incline before — a steep ramp is the main reason people abandon this idea in week one
• The only mattress elevator here with a published warranty term, on CertiPUR-US certified foam the listing says is made in Atlanta
• Two 30-inch sections rather than one slab, so it goes under a heavy queen mattress one half at a time

What doesn’t

• No slope published, no foam density, and no cover of any kind — the foam is the surface that meets your mattress and there is nothing to take off and wash
• Five inches may simply not be enough. The clinical advice people arrive with usually describes a meaningful head elevation, and this is the shallowest option in the comparison
• No non-slip underside published, which on a slab under a mattress matters more than it sounds
• Nothing published about adjustable bases, and a rigid foam ramp is a flat-bed product

Published specifications

Published specifications for the Avana Mattress Elevator 5-Inch, Queen

Rise	5 in
Slope	Not published
Bed size	Queen, 80 x 60 in, supplied as two 30-inch-wide slanted sections
Foam	High-density foam, CertiPUR-US certified, made in Atlanta; no density figure
Cover	Not published
Non-slip	Not published
Weight	14 lb
Settling time	Ships roll compressed; no expansion time published
Warranty	1 year manufacturer (listing's warranty field)

Read from the product listing on 2026-10-31. Blanks are specifications the manufacturer does not publish, not figures we could not be bothered to find.

How the score was reached

Rubric breakdown for the Avana Mattress Elevator 5-Inch, Queen

Rise and slope publishedA rise in inches published; no slope.	8
Bed fitBed size, full 80 x 60 footprint and the two 30 in sections all published.	10
Material disclosureCertiPUR-US certified and US-made stated; no density figure.	8
Care and ownershipA one-year warranty published; no cover and no washability.	7
Mean, rounded to one decimal	8.3

3 · Best for a full-size bed

Avana Mattress Elevator 7-Inch, Full

The same CertiPUR-US foam ramp in a steeper seven inches and a full-size footprint — the one to buy if five inches has already proved too shallow.

Rise

7 in

Our spec score

8.0/10

Best for

A full-size bed, steeper

$129.00 · Check price

As of November 1, 2026. #ad How we’re funded

What works

• Seven inches is a real angle rather than a tilt, and the listing is honest about who it is for — people who can adapt to a higher elevation, in its own words
• The same CertiPUR-US US-made foam as its 5-inch stablemate, in two 27-inch sections for a full-size bed
• A published full-size footprint, which matters because a full is 54 inches wide and most wedges in this category are sold for queens

What doesn’t

• This ASIN is the FULL size. Its 5-inch sibling is the queen, and the two are not interchangeable — check the size field before ordering, because the brand sells several rises across several sizes under similar titles
• No warranty term published on this listing, where the same brand's 5-inch listing publishes one year. Same maker, same foam, different published commitment
• No slope, no density, no cover and no non-slip underside
• A steeper ramp makes more people slide down it in the night, and nothing on this page addresses that

Published specifications

Published specifications for the Avana Mattress Elevator 7-Inch, Full

Rise	7 in
Slope	Not published
Bed size	Full, 75 x 54 in, supplied as two 27-inch-wide slanted sections
Foam	High-density foam, CertiPUR-US certified, made in Atlanta; no density figure
Cover	Not published
Non-slip	Not published
Weight	14 lb
Settling time	Ships roll compressed; no expansion time published
Warranty	Not published

Read from the product listing on 2026-10-31. Blanks are specifications the manufacturer does not publish, not figures we could not be bothered to find.

How the score was reached

Rubric breakdown for the Avana Mattress Elevator 7-Inch, Full

Rise and slope publishedA rise in inches published; no slope.	8
Bed fitBed size, full 75 x 54 footprint and the two 27 in sections all published.	10
Material disclosureCertiPUR-US certified and US-made stated; no density figure.	8
Care and ownershipNo cover, no washability and no warranty on this size's listing.	6
Mean, rounded to one decimal	8.0

4 · Cheapest way to test the idea

Wellness Wedge Orthopedic Bed Wedge, Two-Pack

Not foam at all — two interlocking plastic wedges that give 2.5 inches side by side or 5 inches stacked, and the only product in this category that publishes the angle it creates.

Slope

8 degrees

Our spec score

8.0/10

Best for

Testing the idea cheaply

$58.99 · Check price

As of November 1, 2026. #ad How we’re funded

What works

• The only product in this category that publishes a slope — 8 degrees — rather than leaving you to infer an angle from one height
• Two settings out of one purchase: 2.5 inches with the wedges side by side, 5 inches interlocked, so the elevation can be tried gently and then increased
• At 1.5 lb and a fraction of the price of the foam ramps, it is far and away the cheapest way to find out whether sleeping on an incline helps you at all — and plastic does not off-gas or absorb anything

What doesn’t

• **It requires a box spring.** The listing states it goes between the mattress and the box spring, which rules out every adjustable base, most platform beds and every slatted frame — read that sentence before you buy
• Two 22-by-15-inch pads are not the width of a bed, so the lift is at two points rather than along the whole mattress, and the listing publishes no bed size it fits
• The published rise depends on the firmness of your own mattress, which the listing says out loud — so 5 inches is a best case rather than a measurement
• Nothing published about the plastic: no grade, no thickness, no load rating

Published specifications

Published specifications for the Wellness Wedge Orthopedic Bed Wedge, Two-Pack

Rise	2.5 in placed side by side, 5 in interlocked, depending on mattress firmness
Slope	8 degrees
Bed size	Not published
Piece size	22 x 15 in each, two in the pack
Material	Interlocking plastic; no grade or thickness published
Placement	Between the mattress and the box spring
Weight	1.5 lb
Care	Stated not to off-gas and not to need cleaning
Warranty	Not published

Read from the product listing on 2026-10-31. Blanks are specifications the manufacturer does not publish, not figures we could not be bothered to find.

How the score was reached

Rubric breakdown for the Wellness Wedge Orthopedic Bed Wedge, Two-Pack

Rise and slope publishedTwo rises in inches AND a slope in degrees — the only listing here with both.	10
Bed fitPiece dimensions published, but no bed size, and a box spring is required.	6
Material disclosureInterlocking plastic named; no grade, thickness or load rating.	7
Care and ownershipNo off-gassing and nothing to clean, stated; no warranty term.	9
Mean, rounded to one decimal	8.0

5 · The one we would skip · we would skip this one

Lazyzizi Inclined Bed Wedge, 7 in

A seven-inch ramp whose listing says Queen in the title and Full in its own size field, and whose only feature bullet is a note about unpacking it.

Rise

7 in

Our spec score

6.0/10

Best for

Nothing we can recommend it for

$119.99 · Check price

As of November 1, 2026. #ad How we’re funded

What works

• Seven inches of rise is a real angle, and it is priced below the two 7-inch-and-over rivals on this page
• The listing does publish an expansion window — 24 to 72 hours — which is longer than its rivals state and at least sets an expectation

What doesn’t

• **Its own listing cannot agree on what size it is.** The title says 7-Inch Queen; the size field, the item dimensions (75 x 54 in) and the model number all say Full. A queen buyer could receive a full-size wedge that is six inches narrow on each side. Do not order this without a written answer from the seller
• There is effectively no specification to read: the only feature bullet on the listing is a note about letting it expand. No foam, no density, no certification, no cover, no non-slip, no weight
• It costs within a few dollars of products that publish all of the above, which is what moves this from thin to skip
• Nothing published about adjustable bases, like every product in this category

Published specifications

Published specifications for the Lazyzizi Inclined Bed Wedge, 7 in

Rise	7 in
Slope	Not published
Bed size	The title says Queen; the listing's own size field and dimensions say Full, 75 x 54 in, and the model number ends -Full. Unresolved
Foam	Not published
Cover	Not published
Non-slip	Not published
Weight	Not published
Settling time	24 to 72 hours to expand
Warranty	Not published

Read from the product listing on 2026-10-31. Blanks are specifications the manufacturer does not publish, not figures we could not be bothered to find.

How the score was reached

Rubric breakdown for the Lazyzizi Inclined Bed Wedge, 7 in

Rise and slope publishedA rise in inches published; no slope.	8
Bed fitThe listing contradicts itself on size — Queen in the title, Full in its own fields.	5
Material disclosureNothing published about the foam — neutral score.	5
Care and ownershipAn expansion window published; nothing else.	6
Mean, rounded to one decimal	6.0

The ranking, pick by pick

1. EPHEDORA 7.5-inch queen - best overall

The only mattress elevator in this comparison that publishes its foam as numbers: 40D gel memory foam on top of a 25D base. On a ramp that a mattress and two people press down on every night, density is the whole durability question, and four rivals answer it with the word premium. It is full queen width in two pieces, so both sleepers stay on the mattress they own rather than one person sleeping on a seam, and it adds the two things the foam rivals here do not have - a removable machine-washable cover and a published non-slip bottom - plus side pockets and a published 24-to-48-hour expansion window.

Cons: no slope published, so the steepest rise on this page is also one you cannot compare by angle to anything else. At 9 lb and 60 inches wide it is genuinely a two-person job to fit, because the mattress has to come off and go back on over it. No warranty term, where the Avana 5-inch publishes a year. And nothing about adjustable bases - which, for the avoidance of doubt, means it is a flat-bed product.

2. Avana 5-inch queen - gentlest published incline

Five inches is the shallowest rise here and that is the reason to buy it. The most common way this idea fails is that somebody goes straight to a steep ramp, spends three nights sliding toward the foot of the bed, and gives up on elevation entirely - when a gentler tilt they would have adapted to was available. Avana publishes CertiPUR-US certified foam made in Atlanta, a full 80-by-60 queen footprint, two 30-inch sections so it goes under a heavy mattress one half at a time, a 14 lb weight, and the only warranty term in this category: one year, in the listing's own warranty field.

Cons: no slope, no foam density behind the high-density claim, and no cover at all - the foam is what meets your mattress and there is nothing to take off and wash. No non-slip underside published either. And five inches may simply not be enough for the problem you are solving, which you will only find out after a week. The certification it does publish tells you what is not in the foam, not how long it will last.

3. Avana 7-inch full - best for a full-size bed

The same US-made CertiPUR-US foam ramp in a steeper seven inches, sized for a full bed at 75 by 54 inches and split into two 27-inch sections. It is the one to buy if a gentler incline has already been tried and has not done enough - and the listing is unusually honest about that, saying in its own words that it is best suited for users who can adapt to a higher elevation. A published full-size footprint also matters more than it sounds, because a full is 54 inches wide and most of this category is sold for queens.

Two cons worth being plain about. This ASIN is the FULL size - its 5-inch stablemate is the queen - and the brand sells several rises across several sizes under very similar titles, so check the size field rather than the picture before ordering. And this listing publishes no warranty where the same brand's 5-inch listing publishes a year: same maker, same foam, different published commitment, which is a fact about the listings rather than about the foam. No slope, no density, no cover, no non-slip underside, and a steeper ramp makes more people slide.

4. Wellness Wedge two-pack - cheapest way to test the idea

Not foam: two interlocking plastic wedges that sit between the mattress and the box spring, giving 2.5 inches of lift side by side or 5 inches interlocked. It is the only product in this category that publishes the angle it creates - 8 degrees - and the only one that gives you two settings out of one purchase, which means you can start shallow and go steeper without buying twice. At 1.5 lb and a small fraction of the price of the foam ramps, it is far and away the cheapest way to find out whether sleeping on an incline helps you at all. Plastic also does not off-gas and has nothing to absorb, which the listing makes a point of.

And then the constraint that decides it for a lot of readers here: it requires a box spring. The listing says so plainly, and that rules out every adjustable base, most platform beds and every slatted frame. Two 22-by-15-inch pads are also not the width of a bed, so the lift happens at two points rather than along the whole mattress, and the published rise depends on how firm your own mattress is - which the listing admits. Nothing is published about the plastic itself: no grade, no thickness, no load rating. If you have a traditional mattress-and-box-spring bed and you want to test elevation for the cost of a takeaway, start here.

5. Lazyzizi 7-inch - the one we would skip

Every roundup on this site names something we would not buy, because when everything wins an award the awards stop meaning anything. Here it is the Lazyzizi, and the case against it is entirely about its own published record. Its title says 7-Inch Queen. Its size field, its item dimensions (75 by 54 inches) and its model number all say Full. A queen buyer could receive a wedge three inches narrow on each side, and there is no way to resolve that from the page - only by asking the seller in writing before ordering.

The rest is absence. The only feature bullet on the listing is a note telling you to let it expand for 24 to 72 hours. No foam type, no density, no certification, no cover, no non-slip, no weight, no warranty. And it is priced within a few dollars of products that publish all of those things, which is what moves it from thin to skip. If the price drops far enough to make it a gamble worth taking, the size question still has to be answered first.

What to try before you buy any of these

1. A wedge pillow, for a week. It costs a fraction as much and answers the only question that matters: does sleeping propped up help you at all? If it does nothing in a week, no mattress elevator will. The wedge pillows we track.
2. Books or blocks under the head legs of the bed, if the frame allows it. Free, crude and informative - and the thing most clinicians describe when they say raise the head of your bed. How to raise the head of a bed properly.
3. Check what your bed sits on. Box spring, platform, slats or an adjustable base - this decides which of the five below can even be used, before price or rise comes into it.
4. Then buy the shallowest rise you think will do, and go steeper later if it does not. Sliding down the bed is what ends this experiment for most people, and it is a function of angle.

Who this category is actually for

Somebody on a flat bed, with a box spring or a solid platform, who has established that sleeping at an angle helps and wants to stop rebuilding a pillow arrangement every night. That is a real person and this is a real answer for them - more comfortable than a torso wedge, far cheaper than a base, and invisible once the bed is made.

It is the wrong purchase for three groups. Anybody with an adjustable base already owns the better version. Anybody whose problem is getting OUT of bed rather than sleeping in it is shopping in the wrong category entirely - tilting the bed makes the exit slightly harder, not easier, and bed height is the page for that. And anybody who has not yet tested whether elevation helps should spend a twentieth of the money on a pillow first. If reflux is what brought you here, the acid reflux page sets out what position does and does not do, and wedge pillow versus adjustable bed compares the two options either side of this one.

Every figure on this page was read from a live Amazon listing on 31 October 2026, stamped in each product's own specification table, and the blanks are reported as blanks: the slope on four of five, the foam density on four of five, the sliding question on all five. We have not slept on any of these and we make no claim about how they feel. The incompatibility between a rigid ramp and a bending deck is mechanics, flagged as our reasoning rather than as a published statement - because no seller in this category makes one. How we pick.