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![Cocoon Mattress with Teal Wave](https://assets-www.cocoonbysealy.com/media/images/Teal_Wave.width-500.jpg)
The Chill Collection
Cooling Comfort, Made for You
Our best-selling collection provides the perfect balance of cooling and superior support — backed by 140 years of Sealy quality. Featuring premium pressure relief, and a cooling cover, you'll fall asleep faster and stay cooler.
![Cocoon Mattress with Teal Wave Mobile](https://assets-www.cocoonbysealy.com/media/images/Teal_Wave_Mobile.width-500.jpg)
The Chill Collection
Cooling Comfort, Made for You
Our best-selling collection provides the perfect balance of cooling and superior support — backed by 140 years of Sealy quality. Featuring premium pressure relief, and a cooling cover, you'll fall asleep faster and stay cooler.
Discover Award-Winning Sleep
Even the experts love the Cocoon™ by Sealy mattress.^ Experience award-winning comfort, cooling, and value.
![2024 Best Cooling Budget Mattress Award](https://assets-www.cocoonbysealy.com/media/images/2024sleepopolis_bestcooling_1.width-250.png)
Sleepopolis
Best Cooling Mattress
![Best Budget Mattress for Hot Sleepers Award Badge](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Slumberyard_budgetmatt.width-250.png)
Slumber yard
Best Budget Mattress for Hot Sleepers
![Best Affordable Cooling Mattress Award Badge](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Mattressclarity_coolingmatt.original.width-250.png)
mattress clarity
Best Affordable Cooling Mattress
![Best Hybrid Mattress in a Box Award Badge](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Mattressnerd_hybridmatt.width-250.png)
Mattress nerd
Best Hybrid Mattress in a Box
Which Model is Right For You?
We've found that most sleepers prefer a mattress that's fully supportive but not too firm, so we created a collection of medium-feel mattresses that adapt to your unique
body size, shape and sleep position. Upgrade to the Hybrid model for a more responsive feel & added edge support.
![chill foam mattress layers](https://assets-www.cocoonbysealy.com/media/images/chill.width-1200.png)
Chill Memory Foam
Our most popular mattress, made for sleepers who want motion isolation, conforming support, and a medium, modern feel.
Features:
- 10-inch height
- Advanced cooling cover
- Perfect Fit Memory Foam that uniquely adapts to you
- Includes a free Sealy® Sleep Bundle (up to $199 value)
![Chill Hybrid Mattress Layers](https://assets-www.cocoonbysealy.com/media/images/Chill_Hybrid_MA_2.original.width-1200.png)
Chill Hybrid
Our most advanced mattress, designed for superior support, enhanced cooling, and a medium, classic feel.
Features:
- 12-inch height
- Advanced cooling cover
- Increased edge support
- Memory Foam + Premium Coils to deliver all-night comfort
- Includes a free Sealy® Sleep Bundle (up to $199 value)
Find Your
Perfect Mattress
![chill foam mattress layers](https://assets-www.cocoonbysealy.com/media/images/chill.width-250.png)
Chill Memory Foam
Our most popular mattress, made for sleepers who want motion isolation, conforming support, and a medium, modern feel.
Features:
- 10-inch height
- Advanced Cooling Cover
- Perfect Fit Memory Foam that uniquely adapts to you
- Includes a free Sealy® Sleep Bundle (up to $199 value)
![Chill Hybrid Mattress Layers](https://assets-www.cocoonbysealy.com/media/images/Chill_Hybrid_MA_2.original.width-250.png)
Chill Hybrid
Our most advanced mattress, designed for superior support, enhanced cooling, and a medium, classic feel.
Features:
- 12-inch height
- Advanced Cooling Cover
- Increased Edge Support
- Memory Foam + Premium Coils to deliver all-night comfort
- Includes a free Sealy® Sleep Bundle (up to $199 value)
Why Pay More for Less?
After 140 years of superior quality and innovation, Cocoon™ by Sealy continues providing personalized, conforming support at an unbeatable price.
With over 100 million mattresses sold, our dedication to better sleep remains unrivaled.
What's a Hybrid?
Your Best Night's Sleep
Our Hybrid mattress features the perfect combination of memory foam + individually wrapped springs for sleepers who want an extra bounce and added edge support.
![Cocoon Hybrid Layers](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Hybrid_Layers_Updated.width-1200.png)
![CocoonHybridIcons_EdgeSupport](https://assets-www.cocoonbysealy.com/media/images/CocoonHybridIcons_EdgeSupport.2e16d0ba.fill-100x100.png)
Added Edge Support
Our Quantum Edge® Technology features a reinforced steel perimeter for improved edge support, increased responsiveness, and more space to move around.
![CocoonHybridIcons_Coils](https://assets-www.cocoonbysealy.com/media/images/CocoonHybridIcons_Coils.2e16d0ba.fill-100x100.png)
Responsive Coils
Each fabric-encased coil moves independently for targeted support & reduced motion transfer, helping you sleep soundly throughout the night.
![CocoonHybridIcons_AirFlow](https://assets-www.cocoonbysealy.com/media/images/CocoonHybridIcons_AirFlow.2e16d0ba.fill-100x100.png)
Increased Airflow
Our ventilated coil design increases breathability and support throughout your mattress. The unique construction allows airflow to keep you cool all night long.
Discover Your Happy Medium
We've found that most sleepers prefer a mattress that's fully supportive but not too firm, so we created a mattress with our Perfect Fit memory foam that adapts to your unique body size, shape and sleep position.
![Cocoon's Feel Scale from soft to firm, and the number 6 on the scale is highlighted](https://assets-www.cocoonbysealy.com/media/images/cocoon-feel-feel.width-250.png)
Discover Your Happy Medium
We've found that most sleepers prefer a mattress that's fully supportive but not too firm, so we created a mattress with our Perfect Fit memory foam that adapts to your unique body size, shape and sleep position.
![cocoon-feel_5_ye1plvY.original](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Feel_Scale.width-250.png)
Quality You Can Count On
Sleep better knowing that every Cocoon™ by Sealy mattress is made with built-to-last materials — for quality you can trust.
Advanced Chill Technology
Cool, How Does it Work?
Say goodbye to night sweats with our premium cool-to-touch cover infused with a proprietary “Phase Change Material” that absorbs and dissipates heat. This helps you sleep cooler throughout the night.
![Women laying on mattress with advanced cooling](https://assets-www.cocoonbysealy.com/media/images/CO_Advanced_Cooling_Lifestyle_1920_v2_tgK331V..width-250.png)
Quality You Can Count On
Sleep better knowing that every Cocoon™ by Sealy mattress is made with built-to-last materials — for quality you can trust.
![Women laying on mattress with advanced cooling](https://assets-www.cocoonbysealy.com/media/images/CO_Advanced_Cooling_Lifestyle_1920_v2_tgK331V..width-250.png)
Advanced Chill Technology
Cool, How Does it Work?
Say goodbye to night sweats with our premium cool-to-touch cover infused with a proprietary “Phase Change Material” that absorbs and dissipates heat. This helps you sleep cooler throughout the night.
Quality You Can
Count On
Sleep better knowing that every Cocoon™ by Sealy mattress is made with built-to-last materials — for quality you can trust.
![Women laying on mattress with advanced cooling](https://assets-www.cocoonbysealy.com/media/images/CO_Advanced_Cooling_Lifestyle_1920_v2_tgK331V..width-250.png)
Chill Technology
Cool, How Does it Work?
Say goodbye to night sweats with our premium cool-to-touch cover infused with a proprietary “Phase Change Material” that absorbs and dissipates heat. This helps you sleep cooler throughout the night.
All-night Comfort
Premium Pressure Relief
Our Perfect Fit memory foam instantly adapts and responds to your unique shape for a supportive, conforming feel. This breathable foam was designed to relieve pressure points, promote airflow, and improve your overall comfort level.
![a woman pressing her hand on a cocoon mattress](https://assets-www.cocoonbysealy.com/media/images/hand_press.original.width-250.jpg)
All-night Comfort
Premium Pressure Relief
Our Perfect Fit memory foam instantly adapts and responds to your unique shape for a supportive, conforming feel. This breathable foam was designed to relieve pressure points, promote airflow, and improve your overall comfort level.
![a woman pressing her hand on a cocoon mattress](https://assets-www.cocoonbysealy.com/media/images/hand_press.original.width-250.jpg)
All-night Comfort
Premium Pressure Relief
Our Perfect Fit memory foam instantly adapts and responds to your unique shape for a supportive, conforming feel. This breathable foam was designed to relieve pressure points, promote airflow, and improve your overall comfort level.
Peaceful Sleep Awaits
Reduced Motion Transfer
Sleeping with a restless partner? Wake up refreshed with the help of our cushioning memory foam that absorbs movement and minimizes motion transfer so you can sleep peacefully — night after night.
![Woman and Man Sleeping on Cocoon Mattress](https://assets-www.cocoonbysealy.com/media/images/CO_Quality_You_Can_Count_On_1920.original_1.or.width-250.png)
![Woman and Man Sleeping on Cocoon Mattress](https://assets-www.cocoonbysealy.com/media/images/CO_Quality_You_Can_Count_On_1920.original_1.or.width-250.png)
Peaceful Sleep Awaits
Reduced Motion Transfer
Sleeping with a restless partner? Wake up refreshed with the help of our cushioning memory foam that absorbs movement and minimizes motion transfer so you can sleep peacefully — night after night.
![Woman and Man Sleeping on Cocoon Mattress](https://assets-www.cocoonbysealy.com/media/images/CO_Quality_You_Can_Count_On_1920.original_1.or.width-250.png)
Peaceful Sleep Awaits
Reduced Motion Transfer
Sleeping with a restless partner? Wake up refreshed with the help of our cushioning memory foam that absorbs movement and minimizes motion transfer so you can sleep peacefully — night after night.
![Bundle_promo](https://assets-www.cocoonbysealy.com/media/images/Bundle_breakdown_Image.width-250.png)
The Bundle Breakdown
Our Sealy® Sleep Bundle helps to improve your overall sleep quality & provides a comfortable and enjoyable sleep experience. Plus, get a free Bundle with every mattress purchase — up to $199 value.
- 2 Memory Foam Pillows
- Breathable Sheet Set
- Mattress Protector
*Twin and Twin XL bundles include 1 pillow.
![CO_Lifestyle_00_1920x650.original.original](https://assets-www.cocoonbysealy.com/media/images/CO_Lifestyle_00_1920x650.original.original.ori.width-500.jpg)
![Cocoon_Stars.original (1)](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Stars.original_1.width-1200.png)
“Great Mattress"
This is our second Cocoon mattress. Great mattress for the value. Fast shipping & just unwrap it & it's ready. My kids are hot sleepers like me so love the cooling feature.
— WINNER, TEXAS
![Cocoon_Stars.original (1)](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Stars.original_1.width-1200.png)
“Best Bed Ever”
We slept on a Chill mattress while visiting friends. After just one night, we knew what our next mattress would be. It's now our go to bed when it's time for a new mattress!
— Jane, Florida
![Cocoon_Stars.original (1)](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Stars.original_1.width-1200.png)
“Cooling Nights”
The chill memory foam technology was a no brainer. It's a beautiful thing to not be sweaty while trying to sleep. Truly happy with the product and sleep like a baby!
— DEEP sleeper, Illinois
![Woman talking to man while laying on cocoon mattress](https://assets-www.cocoonbysealy.com/media/images/Hero.width-500.jpg)
![Woman talking to man while laying on cocoon mattress](https://assets-www.cocoonbysealy.com/media/images/Hero.width-500.jpg)
Free Shipping & Delivery
Life Made Easier
Our ordering experience is seamless, just like our mattress. Your Cocoon™ by Sealy mattress is delivered right to your doorstep. Simply unwrap and unroll to transform your sleep.
Discover Award-Winning Sleep
Even the experts love the Cocoon™ by Sealy mattress.^ Experience award-winning comfort, cooling, and value.
![2024 Best Cooling Budget Mattress Award](https://assets-www.cocoonbysealy.com/media/images/2024sleepopolis_bestcooling_1.width-250.png)
SlEEPOPOLIS
Best Cooling Budget Mattress
![Best Budget Mattress for Hot Sleepers Award Badge](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Slumberyard_budgetmatt.width-250.png)
Slumber Yard
Best Budget Mattress For Hot Sleepers
![Best Affordable Cooling Mattress Award Badge](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Mattressclarity_coolingmatt.original.width-250.png)
Mattress Clarity
Best Affordable Cooling Mattress
![Best Hybrid Mattress in a Box Award Badge](https://assets-www.cocoonbysealy.com/media/images/Cocoon_Mattressnerd_hybridmatt.width-250.png)
Mattress Nerd
Best Hybrid Mattress in a Box
Product Details
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Twin: 74.5" x 38"
Twin Long: 79.5" x 38"
Full: 74.5" x 53"
Queen: 79.5" x 60"
King: 79.5" x 76"
CA King: 83.5" x 72"* Dimensions of each individual mattress may vary
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Our Cocoon™ by Sealy Chill Memory Foam mattress is 10 inches in height. The Cocoon™ by Sealy Chill Hybrid mattress is 12 inches in height.
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Once your order is submitted, it can take about 48 hours to process the order and prepare for shipping. Once the order is processed, our Cocoon By Sealy mattresses, foundation, and Sealy® Sleep Bundle ship via UPS. Once your order ships, it typically arrives within 5-7 business days.
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Warranty Details
Your Cocoon™ by Sealy includes a 10-year full-replacement limited warranty. You can read more about the warranty here.
Return Policy
If you’re not in love with your new Cocoon™ by Sealy mattress, we’ll give you your money back, no questions asked. We’ll arrange to pick up the mattress, and donate it to a local agency. (Don’t worry—you don’t even have to put it back into the shipping box.) And then we’ll credit your card for the total amount of your purchase. Wins all around. You can read about our full return policy here.
You can start a return here.
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You can spot clean your mattress. The cover is not meant to be taken off or washed. If you are trying to remove a stain, dampen a cloth (do not saturate) with a mixture of water and delicate-friendly detergent. Gently scrub the spot and let air dry.
Compressed products must be opened within 30 days of receipt.
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Let us help! See a full list of our FAQs here.