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Helix Midnight

Designed for side sleepers, with a not-too-firm, not-too-soft feel, added pressure relief, and balanced support.

 
Regular price $998.66 25% off Sale price $749.00

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The Mattress Shop Guarantee

We want you to feel confident in your mattress choice!
We want you to feel confident in your mattress choice!
100 Night Sleep Trial 100 Night Sleep Trial
Free US Shipping Free US Shipping
Easy Free Returns Easy Free Returns
Limited Lifetime Warranty Limited Lifetime Warranty
Financing Available Financing Available

Deeper Sleep Built Into Every Layer

Designed by sleep experts to ensure every aspect of your mattress provides long-lasting comfort.

Deeper Sleep Built Into Every Layer
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Deeper Sleep Built Into Every Layer

Designed by sleep experts to ensure every aspect of your mattress provides long-lasting comfort.

1. Comfortable Top Layer

Choose between the soft, breathable Breathe Knit Cover, and the GlacioTex™ Cooling Cover + Pillow Top, a luxuriously comfortable top fabric that draws heat away from the surface for people who like that feeling of crisp, cool sheets when they get into bed.

2. Premium Comfort Layer

Helix’s exclusive Copper Gel Memory Foam. It cushions and supports your body for a naturally cooling and satisfyingly cozy feel, without allowing you to sink too deep into the mattress.

3. Ultra-Supportive Foam Layer

Helix’s proprietary ultra-high density SupremeSupport Memory Foam 2.5 with 2.5x the cushioning and cradling factors that other mattresses offer. Unrivaled, luxurious comfort and a feeling of weightless, pressure-free buoyancy, while minimizing motion transfer throughout the night.

4. Custom Firmness Layer

Helix Premium Responsive Foam custom-created for those who sleep on their sides and prefer medium-feel mattresses. It feels just right for those who enjoy a cozy soft bed with uplifting support.

5. Side-Sleeper Support Layer

Helix Premium Responsive Foam designed for folks who sleep on their sides, who switch between positions, or who share with a partner. It works hand-in-hand with other layers to provide pressure support across the shoulders and hips.

6. Optional ErgoAlign Contour Layer

An additional segment of extra-firm foam under your hips designed for lower back pain relief. This layer offers additional hip support designed to prevent lower back sagging for those who experience regular lower back discomfort and pain.

7. Premium Support Layer

Up to 1,000 individually wrapped coils, with reinforced side edges. This coil layer cradles your body, minimizes motion transfer, and provides continuous edge support.

8. Durable, Stable Base Layer

Extra-stable DuraDense Foam at the bottom of the mattress. It secures the base and supports the layers above it for a longer lasting mattress and versatile base compatibility.

How Does It Feel?

Medium Feel: Cozy & soft with cushioned support. Lofty and uplifting with just the right amount of sink. Relieves pressure across the shoulders & hips

Best For: Side sleepers, people who toss and turn, and couples with different preferences.
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Awards & Recognition For Our Mattresses

Expert Reviewed and Validated

2025 Sleepopolis for the Helix Midnight mattress
2025 Forbes award for the Helix Midnight mattress
2025 US New and World Report award for the Helix Midnight mattress
2025 Time magazine award for the Helix Midnight mattress

Frequently Asked Questions

What are the benefits of the Midnight mattress?

The Helix Midnight is scientifically designed to give side sleepers who love a medium-feel mattress an excellent night of sleep.

It cushions shoulders and hips to reduce pressure & pain when you wake up, and includes exclusive SupremeSupport 2.5 Memory Foam, with 2.5x more cushioning than other mattresses, to help you relax and recharge.

Why is the Midnight the best mattress for side-sleepers and sleepers who toss and turn?

The Midnight mattress is designed with exclusive, ultra-dense memory foam layers that cradle the hips and shoulders, which often experience pressure when we sleep on our sides or we toss and turn. It is cozy and supportive, ensuring your body stays in alignment while you sleep.

How does the GlacioTex Cooling Cover work?

The GlacioTex Cooling Cover is a great option for people who like that feeling of crisp, cool sheets when they get into bed each night. Made from Helix's cutting-edge, heat conductive fabric, the GlacioTex Cooling Cover draws heat away from the surface of the mattress for a cool-to-the-touch feel — while also feeling soft and comfortable beneath you.

What's the difference between the Midnight and Midnight Luxe?

The Midnight mattress is great if you’re looking for a superior mattress at a great price, including deluxe foams for comfort and cooling options. But the Midnight Luxe offers the high quality of the Core mattress, PLUS enhanced lumbar support and more advanced cooling & support options.

Does this mattress require a box spring, foundation, or a particular base?

A support system for your mattress is required. It is recommended to use the Helix Foundation to provide correct support and avoid sagging over time. If you prefer to use something different, it is recommended to use a bunkie board with a box spring, or any support system with a firm, flat surface and thick slats no wider than 5.5 inches apart, which can cause sagging and void your warranty.

Does the Midnight mattress have any safety certifications?

The Midnight mattress, like every Helix mattress, is assembled in their Arizona facility, allowing Helix to ensure the highest quality every single time. Helix mattresses are GREENGUARD Gold Certified and made with CertiPUR-US certified foams, which guarantees they are made without any harmful chemicals including ozone depleters, PBDE flame retardants, mercury, lead, heavy metals, formaldehyde, and have extremely low impact on indoor air quality. 

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