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Cocoon by Sealy Mattress Review – My Experience and 5 Real World Tests

Picture of Ben Trapskin

Ben Trapskin

I have carefully studied and evaluated many mattresses, sheets, pillows, duvet inserts, comforters, sleep gadgets, and adjustable beds for over a deca... Full Bio
A cozy bedroom with a brick accent wall, a large window with white curtains, and a bed featuring Cocoon Mattress with white bedding. Wooden side tables complement the space, while a decorative chandelier hangs from the ceiling. The room includes a large floor mirror, potted branch decor, and a colorful rug.
Cocoon by Sealy mattress review my experience and five Yawnder tests

Cocoon by Sealy mattress review

Cocoon by Sealy mattress review my experience and five Yawnder tests

Cocoon by Sealy is the legacy brand answer to the bed in a box wave. Instead of a tiny startup, this one comes from Tempur Sealy, the largest mattress maker in the world. I received a Cocoon for review and tested both the soft and firm all foam versions as well as the hybrid, then ran five focused Yawnder tests for pressure relief, cooling, motion isolation, alignment, and soft versus firm feel.

If you want that classic memory foam hug with big brand backing and a cleaner online buying process, Cocoon is one of the safer bets in this category. The question is which version is right for you and how it stacks up against Tempurpedic. That is what this review is here to answer.

Cocoon Chill Hybrid mattress staged in a bright bedroom

Overall I rate the Cocoon Chill soft around eight and a half of ten for comfort and pressure relief, the firm version closer to seven and a half, and the hybrid around eight. Cooling is better than older memory foam and motion control is strong across the line.

All foam Hybrid Soft and firm feels Cooling Chill cover

Bottom line

Cocoon by Sealy does not try to reinvent memory foam. It focuses on a soft comfort layer that really lets you sink in, steady support foam underneath, and on the Chill version a cover that feels cool when you first lie down. The hybrid adds coil support and more bounce for people who do not want to feel fully hugged by foam.

If you like to feel cradled and want a trusted big brand behind your warranty and trial, the Cocoon soft or hybrid are the sweet spots. The firm model is better if you want a flatter feel and mostly sleep on your back or stomach.

Disclosure I received a Cocoon mattress for review. Opinions and scores are based on my own testing and long term experience with the bed.

Test results at a glance

Scores below are my estimates based on hands on testing with the Cocoon Chill soft and firm and the Cocoon hybrid.

Spine alignment
8.8 of 10
Pressure relief
9.3 of 10
Motion isolation
9.4 of 10
Cooling and temperature
8.4 of 10
Edge support
7.6 of 10
Ease of movement
8.0 of 10
Off gassing
8.8 of 10

The soft all foam model wins for deep pressure relief and cuddle factor. The hybrid balances support and bounce. The firm model gives more lift and is more friendly to stomach and back positions.

Feel and firmness

Cocoon by Sealy launched in two main feels for the all foam version. The soft and the firm. Both share the same general construction idea a cooling memory foam comfort layer on top and dense support foam beneath, but the soft gives noticeably more sink and contour.

In my testing I would put the soft version around five and a half of ten, so a true medium leaning soft. You feel the mattress wrap around your shoulders and hips in a very obvious way. The firm version sits more around seven of ten. Still some contour at the surface but your body stays more on top of the mattress instead of in it.

The hybrid lands close to a balanced medium. The coils bring you up a bit, which keeps your lower back from dipping too far, and the foam on top still gives a familiar Cocoon feel.

Soft versus firm Cocoon which one fits better

I had both the soft and the firm Cocoon in the same space so I could switch back and forth rather than rely on memory. That head to head testing made the differences very clear.

On the soft version my Yawnder bowling ball sink test showed a deeper cradle and a slower recovery in the comfort layer. When I lay on my side my shoulder and hip sank in easily and the rest of my spine felt level. This version is the one I preferred personally because I like to feel fully hugged by the mattress at the end of the day.

Soft Cocoon mattress sinkage showing deep cradle

Soft Cocoon version with deeper sink and contour at the shoulder and hip.

On the firm version the sink depth was shallower and I felt more supported near the surface. Back sleeping felt very stable with less give in the lumbar zone. Stomach sleeping also fared better on the firm because my midsection did not sink as much.

Firm Cocoon mattress sinkage with less contour

Firm Cocoon version with shallower sink and more lift for back and stomach positions.

Side by side look at how the soft and firm versions respond to weight and movement.

If you are mainly a side sleeper or smaller framed, the soft is usually the better match. If you are heavier, prefer your back or stomach, or simply dislike a deep hug, the firm will feel more natural.

Cooling and temperature

The Cocoon Chill version adds a phase change style cover that feels cool when you first lie down. It does a nice job taking the edge off that initial body heat at the surface and is one of the high points of the design.

In my infrared heat tests both the soft and the firm Chill models shed heat at a similar rate. You see a clear heat print after you get up, but it fades rather than staying bright which is what you would see on old generation memory foam. The hybrid, thanks to its coil core, moves air through the night a bit more and will be the safer choice for very warm sleepers.

Infrared heat test showing how quickly the Cocoon Chill cover releases body heat after you move.

If you run hot and want Cocoon, my order of preference for temperature is hybrid first, then soft Chill, then firm Chill.

Motion isolation and partner disturbance

Motion isolation is a clear strength of the Cocoon line. The top foam layer does most of the work when it comes to absorbing movement and my bowling ball drop tests showed very little vibration crossing the surface.

Bowling ball test that shows how little motion transfers across the Cocoon surface.

More motion tests and bounce checks to show how the foam recovers after movement.

With the soft and firm foam models there was almost no travel when I dropped the ball on one side and watched a glass of water on the other. The hybrid allowed a touch more ripple, which is normal given the coils, but it was still well controlled for a spring bed.

If you or your partner toss and turn and you value a quiet calm feel, Cocoon passes that test easily, with the edge going to the all foam versions.

Edge support and alignment

Edge support on the all foam Cocoon is about what I expect from a dense foam build. Sleeping near the edge felt stable enough that I was not worried about sliding off, but sitting right at the edge to tie shoes did compress the foam more than a true edge reinforced coil bed would.

On alignment, both soft and firm kept my lower back from sagging as long as I matched the feel to my position. Soft for side and lighter back sleepers, firm for heavier back and stomach sleepers. The hybrid gives the best all around edge feel thanks to the coil perimeter and is the better choice if you use the full width of the mattress or sit on the edge often.

Cocoon hybrid review how it differs from the foam model

Cocoon Hybrid mattress corner detail with coils and foam

Cocoon Hybrid combines memory foam comfort with pocketed coils for extra lift and airflow.

The Cocoon hybrid takes the same basic comfort story and sets it on a pocketed coil core. You still get memory foam on top for pressure relief, but the support comes from a tall layer of individually wrapped coils instead of one solid block of foam.

The build works in four main parts. A soft stretchy knit cover designed to breathe. A comfort stack that uses Perfect Fit memory foam and premium memory foam for contour. A transition foam layer to smooth the feel. Then the coil support core for lift and airflow.

On the body it feels like a medium firm balanced bed. There is enough foam to relieve pressure points for side sleepers, while the coils stop you from sinking too far and give some bounce back when you move. Combination sleepers who flip between back and side will probably get along best with this version compared with the deeper hug of the soft all foam model.

For heavier sleepers or people who are worried about long term support, the hybrid is the safer pick. The coil system simply has more reserve support than a pure foam core in that category.

Walkthrough of the Cocoon Hybrid including construction details and sleeping impressions.

Pros for the hybrid include better airflow, more support for a wide range of body types, and easier movement. Tradeoffs are a slightly higher price and less of that classic slow melting memory foam hug that the soft all foam Cocoon delivers.

Ordering and unboxing Cocoon

Ordering Cocoon is straightforward. You choose your feel soft, firm, or hybrid and size on the website, checkout, and the mattress ships compressed in a compact black box to your doorstep.

Cocoon mattress box opened showing inner packaging and insert

Inside the Cocoon box with the rolled mattress and brand materials.

Unboxing the Cocoon mattress and watching it expand to full size.

During my unboxing the mattress took a little longer to fully open up than some other beds in a box. That is often the case with denser foam in the comfort layer, and it settled into its true feel over the next day or so.

Is Cocoon just as good as Tempurpedic

Since Cocoon comes from the same parent company as Tempurpedic, it is fair to ask how close it really gets. I look at it this way Cocoon is Tempur Sealy taking the things they learned from years of memory foam design and building a simpler online focused line that hits a lower price point.

On feel, Cocoon foam models lean softer and more instantly plush than many Tempurpedic models. You get that sink in comfort quicker. Tempurpedic offers a much wider range of firmness levels along with thicker more complex foam stacks on many of their beds.

On pressure relief, Cocoon soft holds its own very well for the money. Tempurpedic still leads if you want the most refined slow response foam and very deep contour with fine tuned zoning, but you pay for that.

On cooling, Cocoon Chill narrows the gap. The cool to the touch cover is very noticeable and does a lot of work on first contact. Tempurpedic Breeze models push even harder on temperature control yet sit in a much higher price bracket.

On price and value, Cocoon wins for most shoppers. You get a known brand, clear trial and warranty, and modern foam feel without going into true luxury pricing territory. If budget is tight or you simply do not want to overthink it, Cocoon is a smart way to get a Tempur family feel without paying for the flagship label.

Additional impressions that include Cocoon alongside other mainstream foam brands.

Who the Cocoon mattress is best for

  • Side sleepers who want a deep hug and strong pressure relief on the soft version
  • Back and stomach sleepers who want a flatter feel on the firm version
  • Couples who value strong motion isolation and less partner disturbance
  • Shoppers who want a big established brand behind their trial and warranty
  • Sleepers who like memory foam but do not want extreme heat buildup
  • People who want coil support and more bounce in a simple hybrid, in which case the Cocoon hybrid fits best

Cocoon is less ideal if you want a very stiff traditional coil feel with almost no contour, or if you want the tall euro style tops you see on some showroom only models.

Price, trial, and warranty

Cocoon is positioned as a more accessible way to get into the Tempur Sealy memory foam family. Pricing is often promotion driven so it makes sense to check current offers, but in general you pay less than a comparable Tempurpedic while still getting high quality foams and a cooling cover on the Chill version.

The line includes a home trial that gives you time to see how your body settles in rather than judging from one night. Warranty coverage runs ten years on the mattress which is standard in this category and backed by a company that is not going anywhere.

How I tested Cocoon

For this review I slept on the Cocoon soft and firm all foam models and the hybrid, rotated through side, back, and stomach positions, and logged notes over multiple nights. I used a sixteen pound bowling ball test for sinkage and support, simple glass of water tests for motion isolation, and infrared camera checks to watch heat retention and dissipation on the Chill cover.

Overview of the Cocoon testing process including feel checks, heat tests, and motion checks.

I also unzipped the cover to look at the foam layers and feel their response speeds by hand. That helps show how the comfort layer, transition foam, and base work together in real time when you move.

These tests are meant to mirror what real sleepers feel when they actually live with a mattress instead of relying only on factory specs.

FAQ

Does the Cocoon mattress sleep hot

The Cocoon Chill version uses a cool to the touch cover and modern foams to keep temperature in a comfortable range for most sleepers. Infrared testing shows heat dissipating at a steady pace rather than staying trapped at the surface.

Is the Cocoon soft model too soft

The soft Cocoon gives a deep hug that works well for side sleepers and people who like to sink into the mattress. Heavier sleepers and strict stomach sleepers may prefer the firm or the hybrid for more lift and support under the midsection.

Is Cocoon a good mattress for couples

Cocoon offers strong motion isolation across both its foam and hybrid versions. In practice this means less partner disturbance from turning, getting in and out of bed, or simple nightly movements.

Can I use Cocoon on an adjustable base

Yes. Cocoon foam and hybrid models are compatible with most adjustable bases that provide even support and are sized correctly for the mattress.

How does Cocoon compare to Tempurpedic on value

Cocoon gives you a memory foam experience from the Tempur Sealy family at a more accessible price with a simpler lineup. Tempurpedic offers more model variety and advanced features, but Cocoon is often the better value for shoppers who want strong performance without paying for the flagship label.

Testing, photos, and findings from Yawnder with Ben Trapskin.

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