Helix Midnight Luxe King Mattress
Best medium-firm mattress for side and back sleepers who sleep hot.
Experience award-winning comfort and cooling with the Helix Midnight Luxe King Mattress. Designed for hot sleepers, side sleepers, and back sleepers, this medium-firm mattress offers zoned lumbar support for enhanced contouring and pressure relief. It features a premium quilted pillow top for luxurious, hotel-like comfort. Choose between an ultra-breathable TENCEL™ cover for maximum airflow or the GlacioTex Cooling Cover to actively pull heat away from your body. This mattress is 2 inches taller than standard models, providing an elevated sleep experience. Enjoy the ultimate in sleep comfort with the Helix Luxe Midnight mattress.
$749.00
More Helix Midnight Luxe Options
Owner Satisfaction
4.6
/ 5
Category Rank
265
/ 6148
#265 in Mattresses
Price vs Category Average
-55%
Below average
Firmness
610
/ Medium-Firm ( out of )
Who it's for
- Hot sleepers seeking a cool, breathable surface
- Side sleepers needing relief for shoulders and hips
- Back sleepers requiring targeted spinal alignment
Who should skip it
- Budget-conscious shoppers looking for entry-level pricing
- Individuals who struggle with heavy lifting or frequent moving
- Heavier sleepers needing a firmer, more supportive surface
Performance breakdown
Pressure relief
Zoned lumbar support effectively cradles hips and shoulders for side sleepers.
Temperature regulation
GlacioTex cover technology actively dissipates heat throughout the night.
Motion isolation
Hybrid construction minimizes partner disturbance for a more restful sleep.
Edge support
Reinforced perimeter maintains structural integrity when sitting or sleeping near edges.
Surface luxury
Quilted pillow top provides a plush, hotel-inspired feel immediately upon contact.
Firmness consistency
Medium-firm profile strikes a precise balance for back and side sleepers.
Key Specs
Firmness
Medium-Firm (6 out of 10)
Cover Options
TENCEL™ Cover or GlacioTex Cooling Cover
Construction
Hybrid
Comfort Layer
Pillow Top
Support
Zoned lumbar support
Size
King
Trial Period
30 days
Warranty
Lifetime Mattress Warranty
Features
- Designed for side and back sleepers
- Premium comfort and support
- Advanced cooling construction
- Luxurious quilted pillow top
- Choice of cooling covers
- Zoned lumbar support
- Enhanced pressure relief
- 2 inches taller for added comfort
What customers say
The Helix Midnight Luxe King Mattress enjoys overwhelmingly positive customer sentiment, positioning it as a highly successful premium hybrid option, particularly favored by side sleepers and those seeking targeted pressure relief. Customers consistently praise the mattress for achieving an ideal medium-firm balance, where the robust support from the zoned coil system perfectly complements the plush, contouring comfort layers. A key highlight frequently mentioned is the significant reduction in chronic pain, especially in the hips and shoulders, validating its design for optimal spinal alignment during side sleeping. Furthermore, the 'Luxe' features, including the Tencel cooling cover and enhanced airflow, are highly effective, with users reporting a consistently cool sleep surface, mitigating the common issue of overheating found in traditional memory foam mattresses. For couples utilizing the King size, motion isolation is rated excellent, minimizing disturbances from partner movement. While the mattress commands a premium price point, the perceived quality, durability, and transformative impact on sleep quality lead the vast majority of consumers to view it as a worthwhile long-term investment. Minor criticisms are rare but occasionally include a brief break-in period where the mattress feels slightly firmer than expected, but overall, the sentiment reflects deep satisfaction with a high-quality product that delivers on its promise of luxury comfort and targeted support.
Know before you buy
This mattress is specifically engineered for side and back sleepers. Because it features a medium-firm feel and a plush pillow top, stomach sleepers may find it lacks the necessary support to keep their hips aligned.
The TENCEL™ cover is designed for breathability and moisture-wicking, making it a great standard choice. The GlacioTex cover is an upgrade that uses advanced material to actively pull heat away from your body, which is ideal if you tend to sleep very hot.
Zoned lumbar support provides firmer reinforcement under the center of the mattress where your body is heaviest. This helps maintain spinal alignment and reduces pressure points, which is particularly beneficial for back sleepers.
Yes, the Luxe model is two inches taller than standard Helix mattresses. This additional height allows for more comfort layers, providing a deeper, more luxurious sink-in feel while maintaining the necessary support.
No, the Helix Midnight Luxe King Mattress is not compatible with adjustable bases. It is designed for use on a flat, supportive foundation or platform bed.
The lifetime warranty covers manufacturing defects, such as sagging greater than one inch or physical flaws in the cover or foam that cause the material to split or crack. It does not cover normal wear and tear or changes in personal comfort preference.
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$749