Feel surrounded.
Sleep deeper.
Soft borders reduce the feeling of open space — the simplest way to tell a restless body it's safe to switch off.
Soft, supportive borders
Plush foam borders rise gently around you, turning an open mattress into a cushioned nest that feels held — not confined.
Calms a busy mind
Less open space means fewer restless thoughts. Light sleepers and anxious minds settle faster when the body feels surrounded.
Stays put all night
Zips at every corner keep the sheet and borders exactly where you left them. No slipping, no bunching, no 3 a.m. fixing.
Breathable & washable
Ultra-soft fabric that breathes, with a cover you can unzip and machine wash. Cozy without the overheating.
Everything for a held, quiet night.
Order the Cocoon today and we'll tuck two sleep essentials into the box — on us.
Gift items are added automatically at checkout while supplies last.
Zips on like a fitted sheet.
Four steps on day one — then it stays exactly where you put it.
- 1
Unbox & expand
Open carefully and allow the borders to reach full shape.
- 2
Place on mattress
Lay it on your bed, borders up, like a fitted sheet.
- 3
Line up & zip sides
Slide each foam insert into place and zip the sides.
- 4
Zip corners & sink in
Close the corners, add your sheet, and settle in.
Gently guided into rest.
Inspired by the idea of a guide, the Plumo Cocoon™ gently supports your body into a calmer, more restful position.
The plush, padded borders create a soft, nest-like enclosure around you — reducing the feeling of open space and helping you relax faster, night after night.
- Loved by light sleepers who want a cocoon-like sleep environment
- Works with adjustable beds and your own sheets
- Removable, machine-washable cover
Not a blanket. Not a bumper.
Something better.
| Plumo Cocoon™ | Weighted blanket | Regular sheet | |
|---|---|---|---|
| Surrounds you on every side | Plumo Cocoon™ | Weighted blanket | Regular sheet |
| No overheating | Plumo Cocoon™ | Weighted blanket | Regular sheet |
| Stays in place all night | Plumo Cocoon™ | Weighted blanket | Regular sheet |
| Reduces the feeling of open space | Plumo Cocoon™ | Weighted blanketPartly | Regular sheet |
| Machine washable | Plumo Cocoon™ | Weighted blanketRarely | Regular sheet |
| Works with your own bedding | Plumo Cocoon™ | Weighted blanket | Regular sheet |
What sleepers say.
Total game changer
As someone with anxiety, it makes me feel safe and snug. Works great with adjustable beds and my BedJet. Even my dogs love it!
Changed my sleep for the better
I am AuDHD and this has been such a great purchase. It has changed my sleeping for the better.
Elevated my sleep
Amazing — it definitely improved and elevated my sleep experience! Very cozy and easy to assemble.
Cozy and enjoyable
Makes sleeping cozy and enjoyable. Take your time zipping every side on set-up day — once it's on, it's worth it.
My own adult-size nest
I love it so much! It's like having my own adult-size dog bed — in the best possible way.
Feels like a hug
The borders make the whole bed feel like a hug. I fall asleep faster and don't wake up feeling exposed anymore.
Fantastic raised edges
The raised edges are fantastic for our daughter — they keep her from rolling toward the edge and she loves how cozy it is.
Perfect finishing touch
The perfect finishing touch to the bed — a soft perimeter cushion that makes it feel complete.
Find your size.
Fits mattresses up to 14" deep. Choose the size of your mattress.
| Size | Length × Width × Depth |
|---|---|
| Twin XL | 80" × 38" × 14" |
| Full | 75" × 54" × 14" |
| Queen | 80" × 60" × 14" |
| King | 80" × 76" × 14" |
| California King | 84" × 72" × 14" |
Good to know.
What is the Plumo Cocoon™ made of?+
The shell is 100% polyester with an ultra-soft finish; the borders are filled with 100% polyurethane foam. Both are designed to stay soft and supportive wash after wash.
How do I wash it?+
Unzip the cover and machine wash cold on a gentle cycle with mild detergent. Air dry for best results (tumble dry low if needed). Do not bleach, iron, or dry clean.
Can I use my own sheets on top?+
Yes. Lay your favourite sheet over the Cocoon and tuck it into the corners and beneath the borders — it works beautifully with what you already own.
Will it fit my mattress?+
The Cocoon comes in Twin XL, Full, Queen, King and California King and fits mattresses up to 14" deep. See the size guide above for exact dimensions.
When will my order arrive?+
In-stock orders ship within 1–2 business days and typically arrive in 3–7 business days within the US. You'll receive tracking by email the moment it ships.
Do you ship internationally?+
We ship to the US, Canada, the UK and Australia. International customers are responsible for any applicable duties, taxes or import fees.
What is your return policy?+
You have 30 days after delivery to request a return on unused, re-compressed items in original packaging. Pre-orders can be cancelled for a full refund any time before they ship.
Your calmest night starts tonight.
Join thousands of sleepers who finally feel held. Free US shipping, 30-night returns, and a bundle gift while it lasts.
Shop the CocoonSecure checkout · Ships in 1–2 business days · Cancel any time before it ships