Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
Sleep Number i8 Smart Bed
Tempur-Pedic TEMPUR-ProAdapt
Comfort
8.8/10
Not lab tested
Support
8.9/10
Not lab tested
Cooling
8.5/10
Not lab tested
Edge Support
8/10
Not lab tested
Motion Isolation
9.5/10
Not lab tested
Durability
8.3/10
Not lab tested
Value
7.5/10
8/10
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 i8 Smart Bed
Tempur-Pedic TEMPUR-ProAdapt
Price (Queen)
$3,099
$2,999
Type
Air Chamber
Memory Foam
Firmness
5/10
5/10
Height
11 inches
12 inches
Trial
100 nights
90 nights
Warranty
15 years
10 years
Shipping
In-home delivery
Free white glove delivery
Key Advantages
Why Choose Sleep Number i8 Smart Bed
- Adjustable firmness 0-100
- Dual-zone for couples
- Advanced sleep tracking
Why Choose Tempur-Pedic TEMPUR-ProAdapt
- SmartClimate dual cover system
- Available in 4 firmness options
- Extra TEMPUR comfort layer vs Adapt