Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Casper Dream Hybrid
Sonu Sleep System
Comfort
9/10
9.2/10
Support
9.1/10
8.5/10
Cooling
8.7/10
8/10
Edge Support
8.8/10
7.5/10
Motion Isolation
8.5/10
8.3/10
Durability
9/10
8.8/10
Value
8.9/10
8/10
Quick Specs Comparison
Spec
Casper Dream Hybrid
Sonu Sleep System
Price (Queen)
$1,397
$1,349
Type
Hybrid
Hybrid
Firmness
5.5/10
5/10
Height
12 inches
12"
Trial
100 nights
180 nights
Warranty
10 years
Lifetime
Shipping
Free shipping & returns
Free shipping
Key Advantages
Why Choose Casper Dream Hybrid
- True medium feel works for most sleep positions
- Coil unit adds real edge support
- Sleeps cooler than any Casper foam model
Why Choose Sonu Sleep System
- Patented Comfort Channel eliminates shoulder and arm pressure for side sleepers
- Includes custom support pillows designed to work with the mattress
- 180-night trial period gives ample time to adjust