Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Beautyrest Core (Level One)
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
8.6/10
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
Beautyrest Core (Level One)
Serta Perfect Sleeper Cascade Canyon
Price (Queen)
$1,149
$899
Type
Innerspring
Innerspring
Firmness
6.5/10
5.5/10
Height
Varies by level
Varies by comfort level
Trial
100 nights
120 nights
Warranty
10 years
10 years
Shipping
Free white glove delivery
Free shipping
Key Advantages
Why Choose Beautyrest Core (Level One)
- Real Beautyrest pocketed coils at the lowest price in the range
- 100-night trial with free returns
- White glove delivery included direct
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