Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Serta Perfect Sleeper Cascade Canyon
Emma Hybrid Comfort
Comfort
Not lab tested
9.1/10
Support
Not lab tested
8.9/10
Cooling
Not lab tested
9/10
Edge Support
Not lab tested
8.7/10
Motion Isolation
Not lab tested
9.2/10
Durability
Not lab tested
8.8/10
Value
8.5/10
9.3/10
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
Serta Perfect Sleeper Cascade Canyon
Emma Hybrid Comfort
Price (Queen)
$899
$899
Type
Innerspring
Hybrid
Firmness
5.5/10
5.5/10
Height
Varies by comfort level
12 inches
Trial
120 nights
100 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose Serta Perfect Sleeper Cascade Canyon
- Wool layer plus CoolFeel fabric — real cooling on an $899 bed
- Q4 4-in-1 coil system with five comfort zones
- Better construction than the base Perfect Sleeper
Why Choose Emma Hybrid Comfort
- Europe's #1 mattress brand
- UltraDry moisture-wicking cover
- AeroFlex spring technology