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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!
120 Night Sleep Trial 120 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. Cover

Breathe Knit Cover Choose between the Breathe Knit cover with a light stretch or GlacioTex Cooling Pillow Top.

2. Comfort Layer

A premium layer of Gel Memory Foam that adds targeted pressure relief on the surface of your mattress.

3. Comfort Layer

This high-density Gel Memory Foam contours to your body and creates comforting pressure relief with a balanced, medium feel.

4. Transition Layer

Medium feel, designed to cradle and contour to your body for optimal support and comfort.

5. Transition Layer

Providing ergonomic support and cushioning, the transition layer has a medium ILD for a medium firmness level

6. Optional Upgrade

Choose the ErgoAlign Contour Layer for additional support and pressure relief where you need it. This innovative zoned top layer features a segment of ultra-dense foam beneath your midsection while the bottom and top sections follow the natural contours of your body.

7. Support Layer

Up to 1,000 individually wrapped coils help cradle your body while also limiting motion transfer. Reinforced lengthwise sides to provide edge support.

8. Base Layer

The bottom foam layer of the mattress provides base support and durability to the entire mattress.

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. 

Still need help choosing a mattress?

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