Relvay makes a pregnancy pillow. We also tell you below when you should not buy one.
The short answer
Usually it works, if no part of the pillow hangs into a gap and nothing gets caught when the bed moves. Read your bed manual for its rules on accessories, then run every position once with the pillow in place.
- Fine as is if the pillow stays on top through every position.
- Rethink it if it bends at the hinge or hangs over the edge.
- The manual wins over any pillow listing.
2:05 a.m., and the bed started moving
Adjustable beds and long pregnancy pillows share the same mattress but were never designed together. Usually you only find out where they clash at night.
2:05 a.m.
I was 27 weeks. Jordan had bought the adjustable base for his snoring, and I loved it for reading in bed. That night I rolled over onto my big U pillow and the head of the bed started to rise under me.
The remote had slid under the pillow and I was lying on the button. By the time I dug it out, the pillow had folded in the middle where the bed bends, and the bottom end had slipped down the side between the mattress and the frame.
Jordan sat up, confused. I was half laughing and half shaking. I spent the next twenty minutes pulling the pillow back out of the gap and wondering what else I had not thought about.
- If your pillow bends in the middle every time the head of the bed goes up...
- If one end keeps slipping down the side of the mattress...
- If you have lost the remote under your pillow more than once...
- If you are not sure whether your pillow is allowed on the bed at all...
Nothing is wrong with you or your bed. A pillow that is fine on a flat mattress meets new problems when the mattress folds.
"This is great if you have the whole bed to yourself. My partner complains I take up too much of the bed rolling over."YouTube comment on a pregnancy sleep video
What most of us try first
Most people keep the pillow they had on the old bed and work around it. Each workaround solves one position and breaks another.
- The U pillow, lying flat over both sections.Perfect at bedtime. When the head went up, it creased at the hinge and pushed into my ribs.One long piece across a bend has to bend too.
- Tucking the long end down the side.It stopped the pillow sliding off, but it fed fabric straight into the gap next to the frame.Anything in a gap is in the way of moving parts.
- Raising the head only when the pillow was out of the way.So reading in bed meant moving the pillow first, and I gave up reading.You lose the reason you liked the bed.
- Keeping the remote under my pillow so I could find it.I found it. With my hip.The remote needs its own place.
Why do pregnancy pillows clash with adjustable beds?
Because an adjustable bed has zones that move, a hinge where it bends, and edges and gaps that change shape. A long pillow that lies across those zones has to bend, slide or hang somewhere.
The hingeWhere the head section meets the flat middle. A pillow lying across it folds when the head rises.
Edges and gapsBetween mattress and frame, headboard or wall. A pillow end that hangs over can be drawn in as the mattress moves.
Remote and cordsA remote under a pillow can be pressed by accident. Cords and plugs need clear space too.
Manuals for adjustable bases say similar things. One maker's manual tells owners never to run the base with an obstruction between the moving parts and the frame, to keep fingers out of pinch points, and not to use accessories the maker does not recommend. It also warns that a mattress may shift on the base. Your own manual may word it differently, so read its safety page once with your pillow in mind.
Whether a pillow suits your bed is not something the pillow can promise. It depends on where the pillow sits compared with the parts that move.
That is why Betsy stopped asking which pillow was compatible and started looking at where it lay. First, the manual check and a map you can make tonight. Then what changed.
What should you look for in your adjustable bed manual?
Look for rules on accessories, obstructions, edges and anything placed between the mattress and the base. If the manual is unclear, ask the bed maker before you rely on any pillow.
- Accessories: does it say to use only accessories the maker recommends?
- Obstructions: what does it say about anything between moving parts and the frame?
- Edges: any warning about weight at the edge or tipping?
- Mattress movement: is there a retainer bar, and does the mattress shift when it moves?
- Under the bed: what must be kept clear below the base?
- Your pillow's own label: any note on use with adjustable or reclining beds.
Write down the model name of both. If you call either company, say exactly what you plan: "a pregnancy pillow on top of the mattress, nothing between the mattress and the base." Their answer for your model beats any general guide, including this one.
How do you check a pillow against the moving parts?
Make a simple map of where the bed bends and where the gaps are, place the pillow, then run the bed through each position once with no one on it, watching the edges.
- Start flat. Note where the head section bends. A strip of tape on the sheet at the hinge line helps.
- Find the gaps. Mattress to frame, mattress to headboard, bed to wall and nightstand.
- Place the pillow the way you sleep. Every part on top of the mattress, nothing tucked down the sides.
- Run each position once, empty. Head up, feet up, any presets. Watch for folding at the hinge and ends sliding toward a gap.
- Repeat lying on it, slowly. Notice anything pressing into your ribs or bump as the head rises.
- Give the remote a home. A nightstand tray or a holder, never under a pillow.
If everything stays on top and nothing bends into you, your setup is fine. Use the bed in the positions it allows. This guide does not suggest any angle for symptoms. That is a question for your midwife or doctor.
When is a different pillow worth it on an adjustable bed?
Consider a different pillow when your current one cannot pass the position check without hanging over an edge or folding at the hinge. Tick what sounds like your bed:
- The pillow folds or bunches every time the head rises.
- One end ends up down the side of the mattress most nights.
- You stopped using the head or foot positions because of the pillow.
- The pillow covers your partner's side of a shared base.
- The remote keeps disappearing under it.
Two or more? A pillow that sits only around your torso, away from the edges, may suit a moving bed better. Run the same check on it.
Which pillow shapes work best on a bed that moves?
Shapes that stay on top of your half of the mattress and do not span the full length tend to clash less. Here is how common types compare on a moving bed.
| U pillow | C or J pillow | Single wedge | Two wedges strapped together | |
|---|---|---|---|---|
| Length | Often 59 to 63 in, head to feet | Most of your length | Small | Around your torso |
| Crosses the hinge | Always | Usually | Depends where it sits | Check where the strap runs |
| Ends near edges | Both sides | One side | Rarely | Stays inside your half |
| Bump and back support | Yes | Yes | One or the other | Both |
| Partner's side of a shared base | Often covered | Partly | Clear | Clear |
No pillow is approved by every bed maker. The table is about shape, so still run the check on your own bed.
What changed when the pillow stayed off the hinge?
Once nothing crossed the bend or hung over an edge, Betsy could raise the head to read and still have her support in place.
Betsy read her base manual, found the line about obstructions, and rang the bed company to ask about pillows on top. Then she made her tape map and switched to two small wedges joined by a strap, with a regular pillow between her knees.
She ran the bed through every position with no one on it. The wedges stayed on top. The remote went into a tray on the nightstand. The next night she raised the head, read three chapters, lowered it, and fell asleep without pulling anything out of a gap. Jordan said it was the first quiet night since the base arrived.
Frequently asked questions
Can you use a pregnancy pillow on an adjustable bed?
Usually yes, if the whole pillow stays on top of the mattress and nothing hangs into a gap or gets caught when the bed moves. Check your bed manual's rules on accessories first.
Will a pregnancy pillow damage an adjustable base?
A pillow lying on top of the mattress is not usually the issue. Fabric pushed into gaps between the mattress and the frame is. Keep every part on top and follow your bed manual.
Can I put a wedge between the mattress and the base to raise one area?
Do not put anything between the mattress and an adjustable base unless your bed manual or the maker says it is fine. Keep pregnancy pillows on top of the mattress, where they cannot get between moving parts.
Where should the remote go?
Somewhere fixed and away from your pillows, like a nightstand tray or a holder on the frame. A remote under a pillow can be pressed by accident.
What angle should I set my adjustable bed to in pregnancy?
This guide does not recommend an angle. If you have heartburn, breathlessness or another symptom, ask your midwife or doctor what position suits you. Then check your pillow in that position.
Is a U pillow okay on a split king adjustable base?
It can be if it stays on your half. A U pillow is often 59 to 63 inches long and wide enough to reach the split, so check that it does not cross onto the other side or into the middle gap.
Where the Relvay 3-Piece pillow fits in
The Relvay 3-Piece is the two-wedge set from Betsy's story. It sits around your torso instead of running head to feet, so it stays away from the edges. We have not tested it on every adjustable base, and no bed maker has approved it, so run the position check on your own bed in your first week.
1. The bump wedgeA crescent-shaped wedge that tucks under your bump, thin edge toward your belly button, so the weight is not pulling on your back.
2. The back wedgeThe same shape, snug against your lower back so it has something to rest against.
3. The strap and small cushionA flat strap runs under you and joins the two wedges, so they stay together instead of drifting apart. A small oval cushion sits on the strap between them. You can set the distance as the bump grows.
Each wedge is about 17 by 13 inches and about 4 inches thick at its outer edge, tapering thinner toward your body (supplier measurement). Opened out, the set is roughly as wide as your torso, so it stays on your half of the bed and you keep your normal head pillow. Soft ribbed pink fabric on top, white sides. It is small enough to pack for a trip.
What it does not do: it does not go between your knees. Keep a regular pillow there, the way the NHS suggests. That combination covers all three points without a giant pillow.
Probably not for you if
- Your bed manual says no accessories on the bed.
- Your current pillow already passes the position check.
- You want one pillow that also holds your knees and head.
Made for you if
- Your long pillow folds at the hinge or hangs into a gap.
- You share a split or queen adjustable base.
- You want bump and back support that stays inside your half.
Try it for 90 nights
Sleep on it through the weeks that matter. If it is not right for you, email us within 90 days of delivery and send it back for a refund. Return shipping is on you unless it arrived faulty.
$79.99
90-day money-back guarantee · Free US shipping over $70 · 3 pieces, one set
Check price and availabilityBetsy's story is a composite based on real reviews and public posts from pregnant side sleepers. Names and details are changed.
