Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Nolah Signature 12
GhostBed Flex
Comfort
9.1/10
8.8/10
Support
8.5/10
9/10
Cooling
8.6/10
8.8/10
Edge Support
7.8/10
8.8/10
Motion Isolation
9.3/10
8.5/10
Durability
8.7/10
8.8/10
Value
9.3/10
8.5/10
Quick Specs Comparison
Spec
Nolah Signature 12
GhostBed Flex
Price (Queen)
$1,169
$1,145
Type
Memory Foam Alternative
Hybrid
Firmness
4/10
5.5/10
Height
12 inches
13 inches
Trial
120 nights
101 nights
Warranty
Limited lifetime
25 years
Shipping
Free shipping and free returns in the contiguous US
Free shipping
Key Advantages
Why Choose Nolah Signature 12
- AirFoam gives memory-foam-grade pressure relief at the shoulder and hip without the heat retention
- Tri-Zone construction is softer at the shoulders and firmer at the lumbar, which is exactly what side sleepers need
- Near-best-in-class motion isolation — excellent for couples
Why Choose GhostBed Flex
- Individually wrapped coils for excellent support and airflow
- Ghost Ice cooling fabric in cover
- Reinforced edge support — sits and sleeps well on edges