Specification and editorial comparison · lab measurements not available
Updated October 2026
Category
Novosbed Memory Foam Mattress
Amerisleep AS3
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
9.1/10
9/10
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
Novosbed Memory Foam Mattress
Amerisleep AS3
Type
Memory Foam
Memory Foam
Firmness
6/10
5.5/10
Height
11 inches
12 inches
Shipping
Free shipping; white glove delivery available
Free shipping
Model specifications are catalog reference details, not instrumented measurements. Confirm the exact configuration and current seller terms.
Key Advantages
Why Choose Novosbed Memory Foam Mattress
- True slow-sinking memory foam contour — one of the deepest hugs still sold direct
- Near-perfect motion isolation; a partner getting up is essentially undetectable
- Free Comfort+ kit adjusts firmness in year one instead of forcing a return
Why Choose Amerisleep AS3
- Plant-based foam is more eco-friendly
- Balanced medium feel
- More responsive than traditional memory foam