Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
NapQueen Isabella 14" Hybrid Pillow Top
SweetNight CoolNest
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
9/10
9.4/10
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
NapQueen Isabella 14" Hybrid Pillow Top
SweetNight CoolNest
Price (Queen)
$378
$399
Type
Hybrid
Memory Foam
Firmness
5/10
6/10
Height
14 inches
12"
Trial
100 nights
100 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping & returns
Key Advantages
Why Choose NapQueen Isabella 14" Hybrid Pillow Top
- 14-inch thick profile — unusual at this price point
- Plush pillow top for hotel-like comfort
- Pocket coil system for responsive support
Why Choose SweetNight CoolNest
- Exceptional cooling with 4-layer CoolNest temperature regulation system
- Outstanding value — Queen size under $400
- ACA certified for spinal support and alignment