Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Idle Sleep Hybrid
Nolah Evolution 15
Comfort
8.5/10
9.3/10
Support
8.5/10
9.2/10
Cooling
8/10
9.1/10
Edge Support
8/10
9/10
Motion Isolation
8/10
9.2/10
Durability
9/10
9.1/10
Value
8.5/10
9/10
Quick Specs Comparison
Spec
Idle Sleep Hybrid
Nolah Evolution 15
Price (Queen)
$1,099
$1,199
Type
Hybrid (Flippable)
Hybrid
Firmness
6/10
6/10
Height
14 inches
15 inches
Trial
18 months
120 nights
Warranty
Lifetime
Lifetime
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose Idle Sleep Hybrid
- Two firmness options in one mattress
- 18-month trial — longest in the industry
- Lifetime warranty
Why Choose Nolah Evolution 15
- AirFoam doesn't trap heat like memory foam
- Excellent pressure relief
- Tall 15" profile feels luxurious