Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
Sleep Number Climate360
Simmons Escape No. 6
Comfort
Not lab tested
Not lab tested
Support
Not lab tested
Not lab tested
Cooling
Not lab tested
Not lab tested
Edge Support
Not lab tested
Not lab tested
Motion Isolation
Not lab tested
Not lab tested
Durability
Not lab tested
Not lab tested
Value
7/10
7/10
Blank cells mean that model has not completed our instrumented lab protocol, so we publish no measured score for it. We never estimate a number we have not recorded.
Quick Specs Comparison
Spec
Sleep Number Climate360
Simmons Escape No. 6
Price (Queen)
$6,999
$6,999
Type
Air Chamber Hybrid
Innerspring
Firmness
5/10
4.5/10
Height
13 inches
16"
Trial
100 nights
Varies by retailer
Warranty
15 years
10-year limited
Shipping
In-home delivery & setup
White glove delivery
Key Advantages
Why Choose Sleep Number Climate360
- Active cooling AND heating — 30° range each side
- Most advanced consumer smart bed available
- Ultimate contouring support (13")
Why Choose Simmons Escape No. 6
- Genuine plush feel without an all-foam build
- Pillow top adds real depth for side sleepers
- Natural materials — cashmere, cotton, TENCEL, latex