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Quick verdict
A low-incline (about 6 to 8 inch), firm memory foam wedge with a washable cover is the right pick for back sleepers who want a raised upper body; most others should skip it.
- Back sleepers who like sitting slightly raised: choose a 6 to 8 inch incline with firm foam and a removable cover.
- Side sleepers: a full-height wedge often feels awkward. A low wedge behind the back, or a contoured pillow, usually works better.
- Stomach sleepers: skip the wedge. It bends your back the wrong way.
- People who sleep flat and comfortably: you don’t need one.
Things to check on any wedge label:
- The incline height in inches and the full dimensions.
- The foam type and firmness, plus a CertiPUR-US mark (a foam materials certification).
- Whether the cover is removable and machine-washable.
- The return window and who pays return shipping.
Which wedge pillow suits which adult sleeper?
A wedge pillow suits back sleepers best, works only in a limited way for side sleepers, and doesn’t suit stomach sleepers. Pick by five things: sleeping position, incline height, foam firmness, bed size and cover care.
No pillow suits everyone. Fit depends on your sleeping position, how wide your shoulders are and how firm your mattress is. A soft mattress lets your hips sink, which changes how steep a wedge feels.
Back sleepers who want to be propped up
Back sleepers who like to read, watch TV or doze slightly raised are the best match for a wedge pillow. A gentle slope keeps you from feeling like you’re lying flat, a bit like a reclined car seat.
Side sleepers
Side sleepers can use a wedge, but usually not as their main pillow. A full-height wedge tends to push the head forward and leave a gap at the shoulder.
Stomach sleepers
Stomach sleepers should skip a wedge. Lying face-down on a slope arches the lower back and twists the neck further to one side. A thin, soft pillow or none at all is usually more comfortable.
Wedge pillow angles and sizes compared
Wedge pillows come in low (about 6 to 8 inches), medium (about 10 to 12 inches) and tall (about 15 inches) heights. Sleep Advisor’s wedge guide groups them this way, with tall wedges mostly for sitting up and relaxing.
| Product or type | Incline height | Size by bed width | Foam type | Best sleeper | Drawbacks | Price tier |
|---|---|---|---|---|---|---|
| Low wedge | About 6 to 8 in | Usually single-sleeper width, fits twin and up | Memory foam or firm polyfoam | Back sleepers, light propping | Too low for sitting up | $ |
| Medium wedge | About 10 to 12 in | Single-sleeper width; wider options for queen | Memory foam over a firm base | Back sleepers, legs or knees | Can feel steep for the neck | $$ |
| Tall wedge | About 15 in | Single-sleeper width | Firm foam, often with memory foam top | Sitting up to read or rest | Hard to sleep on all night | $$ to $$$ |
| Adjustable wedge (stacking inserts) | Varies by insert | Varies | Layered foam | Anyone unsure of their height | Inserts can shift | $$$ |
| Derila Ergo (contoured memory foam pillow, not a wedge) | Not a wedge; 12 cm (4.7 in) tall | Standard size 54 x 36 x 12 cm | Memory foam core | Back and side sleepers who find a wedge awkward | Not built to raise the torso | $59.99 for 1 pillow |
Low, medium and high incline
A low incline is the easiest wedge pillow height to sleep on all night. Medium heights suit leg and knee propping or sitting partly up, and tall wedges are mainly for resting awake.
Memory foam vs other foam, gel foam and adjustable inserts
Memory foam shapes itself around you but can hold heat. Firmer polyurethane foam holds its slope better, which is why many wedges put a memory foam layer over a firm base.
Gel foam is memory foam with gel mixed in, and makers sell it as cooler. Some covers use bamboo fiber for a soft feel. Adjustable height wedges with removable inserts let you test angles without buying twice.
Sizes for twin, full, queen and king beds
Most wedges are about one sleeper wide, so they fit any bed from twin up. If you share a queen or king, check the dimensions so your wedge doesn’t slope into your partner’s side. Two single wedges often work better than one wide one.
More money usually buys adjustable inserts, a cooling cover or a removable machine-washable cover.
Can side sleepers use wedge pillows?
Side sleepers can use a wedge pillow, but most do better using a small one for support rather than lying their head on a full-height slope. A tall wedge raises your torso and can slide your head forward.
Using a wedge for the torso or as back support
A small wedge tucked behind your back stops you rolling onto it during the night. Pair it with a pillow between the knees, and our guide to knee and body pillows for side sleepers shows how.
If a doctor says your snoring is worse on your back, side-sleeping can help some people, and a pillow can make side-sleeping more comfortable. That’s comfort, not treatment.
When a contoured pillow is the better choice
A contoured pillow is often the better choice for side sleepers who want their neck filled in, not their body raised. A small study of nine people found side sleepers’ best pillow height depended on shoulder width, with neck support adding to comfort. A side sleeper with wide shoulders usually needs a taller pillow than one with narrow shoulders.
Our best pillows for side sleepers page compares options by height and shape.
An easier all-round option
Derila Ergo is a memory foam ergonomic pillow with a removable, machine-washable cooling cover, shipped vacuum-packed. It isn’t a wedge and won’t raise your upper body.
The maker says its contour, with front support wings, is shaped to support the neck for back and side sleepers, and that the cover helps keep the pillow cool. The maker hasn’t published a study of Derila Ergo itself.
What you get:
- Size: standard size 54 x 36 x 12 cm (21.2 x 14.1 x 4.7 in).
- Price: $59.99 for one pillow, $99.98 for two ($49.99 each), or $149.96 for the family pack of 3 pillows + 1 free (4 pillows, $37.49 each). Shipping is calculated at checkout.
- Cover: zippered, removable, machine wash warm.
- Setup: leave it 6 to 8 hours to expand after unpacking.
- Returns: 60 days from receiving the order. Non-defective items must come back in manufacturer’s condition, in original and undamaged packaging, after you fill in the RMA form and provide tracking. You ship it back yourself, and shipping costs are not refunded.
It suits back and side sleepers who found a wedge too steep. Skip it if you need your torso raised. Buy only from the official site.
Check the current Derila Ergo price and the return terms on the official site.
See Derila Ergo on the official site60-day money-back guarantee
What do wedge pillows do for reflux, snoring and back comfort?
Wedge pillows are sold for acid reflux, snoring and back pain, and the research is strongest for reflux. For the other uses, treat the maker’s claims as claims.
Reflux and congestion
Raising the upper body has some support for acid reflux. A review of five small trials found head-of-bed elevation improved reflux symptoms, though the studies had quality problems. A trial of 20 healthy volunteers found lying on the left side while raised cut acid exposure more than a standard wedge did. Heartburn that keeps coming back needs a doctor.
Snoring and sleep apnea
No wedge pillow is a fix for sleep apnea. Loud snoring with gasping, pauses in breathing or heavy daytime sleepiness are sleep apnea warning signs that need a doctor and possibly a sleep study.
Knees and lower back
A wedge under the knees is a simple comfort option for back sleepers. It bends the knees slightly, which many people find eases pressure on the lower back.
How do you tell a wedge is too steep for your neck?
A wedge pillow is too steep if your chin tips toward your chest, your neck feels stiff on waking, or you keep sliding down. Try a lower wedge.
Signs the angle is wrong
- Your chin presses toward your chest.
- You wake with a stiff neck or sore shoulders.
- You end up halfway down the slope by morning.
Pairing a wedge with a regular pillow and fitted sheet
A thin pillow on top of a wedge can fill the neck gap, but a thick one raises your head too far. Put a fitted sheet or wedge cover over it to cut slipping.
See a doctor first if neck pain lasts more than a week or two, spreads into an arm, or comes with numbness, tingling, weakness, headaches or follows an injury. MedlinePlus explains neck pain causes and when to call.
What about the Helix Wedge Pillow?
The Helix Wedge Pillow is a 10-inch gel memory foam wedge, per Sleep Advisor’s listing. At 10 inches it sits in the medium range, so it suits propping your legs or sitting partly up more than sleeping on all night. The gel foam is sold as cooler. Check the current price and return terms on the maker’s site before buying.
Who should skip a wedge pillow?
Skip a wedge pillow if you sleep on your stomach, move a lot and slide down, or already sleep flat and comfortably.
- Side sleepers wanting neck support: a contour pillow usually fits better.
- Babies: never put any pillow or wedge in a baby’s sleep space. Safe to Sleep guidance says a baby’s sleep area should have no pillows, and that includes wedges.
Caring for a wedge is simple: machine-wash the cover, spot-clean the foam with a damp cloth, and air it out. Never machine-wash the foam itself.
Quick tip: air a new wedge out for a day before using it if it smells of foam.
Finding the right pillow for your neck
A wedge is one tool in choosing a pillow that suits your neck and sleeping position. Our practical guide to healthy sleep pillows covers every pillow type, and the simple method for choosing a pillow helps you match height and firmness to your body.
So, is a wedge pillow worth it?
A wedge pillow is worth it if you sleep on your back and want your upper body raised; pick a 6 to 8 inch firm memory foam wedge with a washable cover. Side sleepers who just want neck comfort will likely find a contoured pillow easier.
Derila Ergo is a contoured option for that, with a 60-day return window on the terms above.
See Derila Ergo’s current bundle prices on the official site.
See Derila Ergo on the official site60-day money-back guarantee
Questions readers ask
Can I sleep on a wedge pillow every night?
Yes, many adults sleep on a wedge pillow every night if the angle feels comfortable. Start with a low incline of about 6 to 8 inches. If you wake with a stiff neck or keep sliding down, try a lower wedge, and see a doctor if pain keeps coming back.
Is a memory foam wedge better than a regular foam wedge?
A memory foam wedge feels softer and shapes around you, but it can trap heat. A firmer polyurethane foam wedge holds its slope better. Many good wedges combine both, with memory foam on top of a firm base, so you get comfort without sinking.
How do I wash a wedge pillow?
Unzip the cover and machine-wash it if the label allows. Never put the foam in the washer. Spot-clean the foam with a damp cloth and mild soap, then let it air dry fully before putting the cover back on.