Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
Leesa Original
Serta Perfect Sleeper Cascade Canyon
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
8.9/10
8.5/10
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
Leesa Original
Serta Perfect Sleeper Cascade Canyon
Price (Queen)
$849
$899
Type
All-Foam
Innerspring
Firmness
5.5/10
5.5/10
Height
10 inches
Varies by comfort level
Trial
100 nights
120 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose Leesa Original
- Social impact - one mattress donated per 10 sold
- Balanced medium feel
- Good pressure relief
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