Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Sleep Number ComfortMode Lux
Helix Elite
Comfort
8.3/10
9/10
Support
8.2/10
9.1/10
Cooling
8/10
8.8/10
Edge Support
7.2/10
8.7/10
Motion Isolation
9/10
9/10
Durability
7.8/10
8.9/10
Value
7.2/10
8.6/10
Quick Specs Comparison
Spec
Sleep Number ComfortMode Lux
Helix Elite
Price (Queen)
$2,099
$1,799
Type
Air Chamber Hybrid
Hybrid
Firmness
5/10
5.5/10
Height
11 inches
14 inches
Trial
100 nights
100 nights
Warranty
15 years
15 years
Shipping
In-home delivery
Free shipping
Key Advantages
Why Choose Sleep Number ComfortMode Lux
- 25% more cooling materials than ComfortMode
- Advanced hip relief for side sleepers
- 11-inch profile for better cushioning
Why Choose Helix Elite
- Personalized firmness via sleep quiz
- GlacioTex™ cooling cover
- Zoned lumbar support coils