🇺🇸 United States · Hybrid (coils and foam) vs Memory Foam

Helix MidnightvsCocoon by Sealy Chill

Which one is best for you? Helix Midnight vs Cocoon by Sealy Chill - 2026 comparison by Vs Mattress

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Helix Midnight20% Off + 2 Free GiftsCocoon by Sealy ChillSave 35% + Free Pillows & Sheets

Helix Midnight

by Helix Sleep · Hybrid (coils and foam)

20% Off + 2 Free Gifts

10 years · 100-night trial

Cocoon by Sealy Chill

by Sealy · Memory Foam

Save 35% + Free Pillows & Sheets

10 years · 100-night trial

Pricing by size

Helix Midnight

Twin$936.30

Twin XL$1,061.30

Full (Double)$1,248.80

Queen$1,373.80

King$1,748.80

California King$1,748.80

Cocoon by Sealy Chill

Twin$619

Twin XL$709

Full (Double)$819

Queen$1,079

King$1,389

California King$1,389

Essential information

	Helix Midnight	Cocoon by Sealy Chill
Type	Hybrid (coils and foam)	Memory Foam
Launched	–	–
Brand	Helix Sleep	Sealy
Made in	United States	United States
Unique points	The Midnight offers balanced support and a medium feel, it has four layers of construction: Cover: Helix Two Touch Design Comfort Layer: Memory Plus Foam (Density: 2.5 PCF) Transition Layer: High-Grade Polyfoam Body Shape Layer: 6" Wrapped Coils Base Layer: DuraDense Foam.	3 layer construction: Perfect Fit Memory Foam Personalized Comfort Layer Support Foam.
Video	Introducing the Helix Midnight	–

Certifications & trial

	Helix Midnight	Cocoon by Sealy Chill
OEKO-TEX®	No	No
CertiPUR-US®	Yes	Yes
Certifications	CertiPur-US®, GREENGUARD Gold	CertiPur-US®
Other certification info	<p id="">GREENGUARD Gold</p>	–
Sleep trial	100 nights	100 nights
Warranty	10 years	10 years
Free shipping	–	–
Free returns	Yes	Yes
Pay later	Yes	Yes
Delivery info	Your Helix Mattress is gently compressed, rolled, and put in a box that's about the size of a bag of golf clubs for easy shipping! Packaging dimensions are 16" x 16" x 48", and we ship via UPS Ground direct from the manufacture to your door.	When you order your Cocoon by Sealy mattress, well ship it to you (by UPS Ground) for free. Typically, your Cocoon by Sealy will arrive in 5 to 7 days.

Firmness & feel

	Helix Midnight	Cocoon by Sealy Chill
One firmness fits all	Yes	Yes
Select your firmness	No	No
Adjustable firmness	No	No
Half and half firmness	No	No
Flippable / reversible	No	No
Firmness info	Medium feel top of the bed you need - not too firm, not too soft. Our most common feel choice. Balanced support - best for side sleepers with thin to average body types. A 4-7 on the firmness scale.	The Cocoon Chill is a medium firmness, about a 6 on the firmness scale. 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.

Construction & materials

	Helix Midnight	Cocoon by Sealy Chill
Layers	Helix Two Touch Design, Memory Plus Foam, High-Grade Polyfoam, Wrapped Coils, DuraDense Foam.	Perfect Fit Memory Foam, Personalized Comfort Layer, Support Foam.
Cover	Helix Two Touch Design. Each mattress comes with a top cover layer with stretch and a soft touch as well as a lower cover layer for airflow and breathability. Top cover - 100% soft polyester. Lower cover - Jersey knit fabric with woven fire barrier. Upgrade to ultra cool knit cover for cooler nights (available at checkout). This Ultra-Cool Cover is designed using phase change material to keep your body cool when you sleep. Simply zip on the Ultra-Cool Cover in place of your standard cover for quick and easy use.	Our premium stretch-knit cover is infused with a proprietary "Phase Change Material" that absorbs and dissipates heat for a refreshing, cool to the touch surface.
Machine-washable cover	No	No
Ergonomic handles	No	No
Comfort	Uniquely pressure relieving, we use Memory Plus Foam - a special Helix blend.	A top layer of memory foam helps reduce the amount of movement from your sleep partner. The Soft model reduces a bit more motion transfer than the Firm model. Phase Change Material (PCM) absorbs your body heat leaving you with a cool to the touch mattress experience.
Support	Specially designed using a Memory Plus Foam pressure relief layer to cushion your pressure points as a side sleeper. Density of the top and middle layers optimized to give you the right amount of support based on your body type. High-Grade Polyfoam. Providing ergonomic support and cushioning, the transition layer has a medium IFD to match your body type. Wrapped Coils. Hundreds of individual coils help to cradle your body while also limiting motion transfer. Edge Support. Each mattress has an individually wrapped spring unit with a reinforced perimeter. This means your mattress will reduce that roll-off feeling and will keep its shape more while sitting on the edge of the bed. Our technology is proven to be substantially better than all foam options.	Our high-quality memory foam adapts to your body size, shape and sleep position to ensure a great sleep no matter which feel is right for you. Support Foam base layer engineered to be highly durable and resilient. We've tested it, and we know it bounces back every time.
Posts	–	–

Size & weight

	Helix Midnight	Cocoon by Sealy Chill
Available sizes	Twin, Twin XL, Full (Double), Queen, King, California King	Twin, Twin XL, Full (Double), Queen, King, California King
Dimensions	Twin: 11.5 "	Twin: 10 "
Twin weight (kg)	65	40
Twin XL weight (kg)	65	42
Full (Double) weight (kg)	85	56
Queen weight (kg)	100	64
King weight (kg)	120	83
California King weight (kg)	120	83

FAQs

Helix Midnight

How soft is Helix Midnight?

The Helix Midnight has a firmness rating between 4 and 7 out of 10. The feel of the mattress may vary depending on the body type of the sleeper – it may feel medium-soft to heavier sleepers and medium-firm to lighter-weight sleepers.

Is the Helix Midnight suitable for heavy people?

The Helix Midnight offers good pressure relief and helps maintain a healthy spinal alignment, making it suitable for heavy people. However, it may not be supportive enough for heavy stomach sleepers.

Is the Helix Midnight suitable for hot sleepers?

Yes, the Helix Midnight is a good choice for hot sleepers as its coil layer promotes airflow throughout the bed, helping to keep the sleeper cool.

Cocoon by Sealy Chill

Can you flip the Cocoon Chill mattress?

No, the Cocoon Chill mattress is not designed to be flipped. It is constructed with support layers at the bottom and comfort layers at the top. Flipping the mattress would disrupt the intended firmness and feel.

Is the Cocoon Chill mattress good for side sleepers?

The Cocoon Chill mattress may feel too firm for most side sleepers, but it is an excellent choice for back and stomach sleepers.

Do Cocoon by Sealy mattresses contain latex?

No, Cocoon™ by Sealy mattresses do not contain latex.

Wrap up

Thank you for checking out this Helix Midnight vs Cocoon by Sealy Chill mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.

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