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

MOLECULE 1vsHelix Midnight

Which one is best for you? MOLECULE 1 vs Helix Midnight - 2026 comparison by Vs Mattress

Vs Mattress is reader-supported, that means if you buy something via a link on this page, we might earn a commission. Thank you kindly.

MOLECULE 1Save $300-$700 OffHelix Midnight20% Off + 2 Free Gifts

MOLECULE 1

by MOLECULE · Memory Foam

Save $300-$700 Off

Lifetime Warranty · 365-night trial

Helix Midnight

by Helix Sleep · Hybrid (coils and foam)

20% Off + 2 Free Gifts

10 years · 100-night trial

Pricing by size

MOLECULE 1

Twin$699

Twin XL$699

Full (Double)$799

Queen$899

King$1,099

California King$1,099

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

Essential information

	MOLECULE 1	Helix Midnight
Type	Memory Foam	Hybrid (coils and foam)
Launched	–	–
Brand	MOLECULE	Helix Sleep
Made in	United States	United States
Unique points	The MOLECULE 1 combines 3 layers of foam: Microban® Cover Restoreflo™ Recoveryflo™ Contourflo™	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.
Video	–	Introducing the Helix Midnight

Certifications & trial

	MOLECULE 1	Helix Midnight
OEKO-TEX®	No	No
CertiPUR-US®	Yes	Yes
Certifications	CertiPur-US®	CertiPur-US®, GREENGUARD Gold
Other certification info	–	<p id="">GREENGUARD Gold</p>
Sleep trial	365 nights	100 nights
Warranty	Lifetime Warranty	10 years
Free shipping	–	–
Free returns	Yes	Yes
Pay later	Yes	Yes
Delivery info	Our deliveries are exclusively handled by FedEx, and you should expect your mattress within one week from when you place your order.	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.

Firmness & feel

	MOLECULE 1	Helix Midnight
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	Both MOLECULE mattresses are considered to be medium to medium-firm.	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.

Construction & materials

	MOLECULE 1	Helix Midnight
Layers	Restoreflo™, Recoveryflo™, Contourflo™	Helix Two Touch Design, Memory Plus Foam, High-Grade Polyfoam, Wrapped Coils, DuraDense Foam.
Cover	Our advanced cover features a unique combination of heat and moisture wicking technologies to regulate the microclimate between your body and the sleep surface. Microban® treatment helps prevent the growth of odor and stain-causing bacteria for a cleaner sleep.	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.
Machine-washable cover	No	No
Ergonomic handles	No	No
Comfort	Proprietary foam features exceptional pressure relief combined with enhanced airflow properties. Precision-contoured 3D geometric surface provides targeted, self-adjusting support for different parts of the body.	Uniquely pressure relieving, we use Memory Plus Foam - a special Helix blend.
Support	The foundation of the MOLECULE mattress. An ample 7” of firm support fosters healthy spine alignment. Breathable materials promote even more airflow and heat transfer.	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.
Posts	–	–

Size & weight

	MOLECULE 1	Helix Midnight
Available sizes	Twin, Twin XL, Full, Queen, King, California King	Twin, Twin XL, Full (Double), Queen, King, California King
Dimensions	Twin: 12.25 "	Twin: 11.5 "
Twin weight (kg)	46	65
Twin XL weight (kg)	48	65
Full (Double) weight (kg)	60	85
Queen weight (kg)	72	100
King weight (kg)	87	120
California King weight (kg)	87	120

FAQs

MOLECULE 1

What firmness is Molecule 1 mattress?

The Molecule 1 mattress has a medium firmness, rated as a 6 out of 10 on the firmness scale.

Is Molecule mattress safe?

Yes, the Molecule mattress is safe. The foams used are CertiPUR-US certified, meaning they're free of certain harsh metals and chemicals.

Is Molecule 1 or 2 better?

Both Molecule mattress models are constructed with proprietary foam layers. The Molecule 1 is more affordable, while the Molecule 2 offers more zoned support and a comfort layer with improved airflow.

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.

Wrap up

Thank you for checking out this MOLECULE 1 vs Helix Midnight mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.

Related comparisons

← All United States comparisons