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HomeReviewsCocoon Mattress

Cocoon Mattress Review

Updated on November 28th, 2023
Cedric Jackson
Reviewed by Cedric Jackson
Dr. Dimitar Marinov
Validated by Dr. Dimitar Marinov - Sleep Specialist

About Cocoon Mattress

Today we’re covering one of the most trusted mattress brands out there: Sealy.  The brand has been around since pretty much the beginning of time (1881), and now after nearly 130 years, they’ve added the Cocoon line to their collection. And as someone who struggles to stay cool at night, this mattress really spoke to me, and I’m going to tell you why that is, exactly in this review.

  • 9.0
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    Value for money
  • 8.0
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  • 8.0
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  • 9.0
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    Customer Support
8.5 Overall Score

Pros & Cons

  • 130 years of experience
  • Hybrid option available
  • Innovative cooling technology
  • Cover is not removable
  • Cover is not machine-washable

Sizes & Pricing

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Cocoon Chili Memory Foam

  • Mattress type icon
    Mattress Type Memory Foam
  • Mattress price & size icon
    Price $1,079 - Queen
  • Mattress firmness icon
    Firmness Medium Firm
  • Mattress trial period icon
    Trial 100 night sleep trial
  • Mattress warranty icon
    Warranty 10 year warranty
  • Special feature icon Hot Sleepers
  • Special feature icon Combination Sleepers
  • Special feature icon Motion Isolation

Firmness Level

While firmness can be rather subjective, the Cocooon Chili is available in a medium firmness, with a ranking of a 6 on a scale of 1-10.   Since it’s both not too firm and not too soft, it can be a great option for sleepers of all kinds of positions. As someone that tosses and turns all night long it was super comfortable, but I would say it’s probably more of a 7/10 in terms of firmness.  Personally I liked this but if you’re looking for a softer mattress or are on the heavier side this might not be ideal for you.

soft_icon Soft
firm_icon Firm

Cooling Properties

Other than the affordable prices, the cooling properties of the Cocoon mattresses are its biggest selling point.  The mattress cover is infused with Sealy’s own ‘Phase Change Material’ which is specially designed for hot sleepers such as myself – and is capable of absorbing and dispersing body heat.  You might even feel a little cold with it which is important to take note of, with a 1/10 on the cooling scale.

soft_icon Cool
firm_icon Hot

Pressure Relief

Memory foam, combined with coils is known to be great for pressure relief, and the Cocoon mattress managed to live up to its expectation while trying it out thanks to these premium materials.

soft_icon Low Pressure
firm_icon High Pressure


The Hybrid mattress is more responsive than the Memory foam mattress – however this is to be expected with a memory foam mattress. Changing positions isn’t quite as comfortable as it is on the Hybrid version, that’s made with a special responsive coil technology with targeted support.

soft_icon No Bounce
firm_icon Very Responsive

Motion Isolation

When it comes to motion transfer, the Cocoon Chili memory foam also does a good job, and is ideal for those that sleep with partners – and especially light sleepers bothered by noise and movement. This is pretty standard for a memory foam mattress to offer, but it’s still always appreciated!


soft_icon Low Motion Isolation
firm_icon High Motion Isolation

Edge Support

Cocoon mattresses are not great in terms of edge support – especially the foam mattress that doesn’t provide such strong support around the sides. Getting out of bed wasn’t exactly the way I would have liked it to be. If edge support is really important to you, you’re best off with the hybrid version.

Mattress Materials

The Cocoon Chill was designed to keep sleepers comfortable and cool all night long, and does so through both its innovative design and materials. This premium three-layer mattress is built in the United States.

Perfect Fit Memory Foam

The top layer of the Cocoon Chill mattress is its perfect fit memory foam layer. As with all high-quality memory foam, it adapts to the size and position of sleepers throughout the night. This foam is also certified by CertiPUR-US, meaning that it is made without ozone depleters, formaldehyde, PBDEs, phthalates, and other harmful chemicals.

Responsive Comfort Foam (Cocoon Chill only)

This layer is made of high-quality foam that adapts to your personal body, including your sleep position, to provide the right amount of support where you need it.

Active Support Technology Coil Layer (Cocoon Chill Hybrid only)

This layer is made up of fabric-encased coils. The casing reduces motion transfer that one might normally feel with coils, as well as does away with squeaking. Additionally, the coils allow for even great airflow, creating a cool and comfortable sleep environment. A reinforced steel perimeter means this mattress has exceptional edge support.

Customer Support

Sealy has a reputation of having fantastic customer support, with phone support, live chat and email support. There’s also FAQ available on their website as well as videos online for additional help. I didn’t, however, try it out myself other than having a look over what they offer.

Phone support icon
Phone Support (888) 818-4039
Chat support icon
Live Chat Available during customer service hours

Customer Support

- Overall Score -
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  • Professionalism 9.5
  • Response Time 9.0

User Reviews

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Questions & Answers

Ron H. on May 19, 2020

Where is the Cocoon mattress made?

The Cocoon mattress is made right here in the USA.
virginia venti on Oct 18, 2020

Is there any kind of odor from the foam

You may notice a slight smell when you open the mattress but it usually resolves within a few hours.
Mike on Oct 26, 2020

What is the thickness of the mattress

The mattress is 10 inches thick.

Final Word

With two different mattresses to choose from and superior cooling technology, Cocoon by Sealy makes for a great mattress option – offering quality at a price that won’t completely break the bank, as is actually lower than most of their competitors too.  Their 100 night sleep trial also makes it worth at least trying!



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Cedric Jackson avatar

Cedric Jackson

Cedric is a Top 5 Network contributing writer. When he is not researching and reviewing consumer products, he spends his time traveling, reading, and keeping up with current events.

Dr. Dimitar Marinov - Sleep Specialist

Dr. Dimitar Marinov is an experienced physician and scientist who has been actively conducting research in the field of sleep hygiene for the last 5 years. He is a chief assistant professor in Hygiene and works at the Medical University of Varna, Bulgaria. Thanks to his expertise in sleep hygiene and outstanding research skills, he is a valuable addition to our website as he fact-checks our content and ensures the accuracy of any medical terminology you may encounter. You may learn more about Dr. Marinov and his research via ResearchGate, LinkedIn, and his personal website.

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