Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Sleep Number ComfortNext Ultra
SFERRA Nuvole Luxury Pillow Top
Comfort
9.2/10
9.7/10
Support
9.2/10
9/10
Cooling
9/10
8.8/10
Edge Support
8.2/10
9/10
Motion Isolation
9.4/10
9.4/10
Durability
9/10
9.5/10
Value
7.2/10
7.5/10
Quick Specs Comparison
Spec
Sleep Number ComfortNext Ultra
SFERRA Nuvole Luxury Pillow Top
Price (Queen)
$4,499
$5,462
Type
Air Chamber Hybrid
Luxury Pillow Top
Firmness
5/10
4.5/10
Height
14 inches
16 inches
Trial
100 nights
30 nights
Warranty
15 years
10 years
Shipping
In-home delivery
White glove delivery
Key Advantages
Why Choose Sleep Number ComfortNext Ultra
- Maximum pressure relief across all zones
- 175% more cooling than ComfortMode
- 14-inch premium profile
Why Choose SFERRA Nuvole Luxury Pillow Top
- Incredibly plush pillow-top feel — true cloud comfort
- 16" profile is impressively substantial
- Natural Talalay latex in pillow top for responsive comfort