Amerisleep AS1
Best firm mattress for back and stomach sleepers seeking support.
This is the rare foam bed that refuses to swallow you whole, offering a firm, responsive surface that keeps you perfectly aligned. It’s an ideal pick for back and stomach sleepers who crave support over sinkage, though side sleepers will likely find it far too rigid for comfort.
$999.00
at
Sleepopolis
More AS options
Who it's for
- Back and stomach sleepers seeking a highly supportive, non-sink surface
- Hot sleepers who want the contouring of foam without overheating
- Minimalists looking for a sleek mattress that fits standard sheets
Who should skip it
- Side sleepers who require deep cushioning for their joints
- Comfort seekers who prefer a plush, cloud-like sleeping experience
- Individuals who sit on the bed's edge to get dressed
Performance breakdown
Spinal Alignment
The firm base keeps hips elevated for perfect back-sleeping posture.
Surface Responsiveness
Open-cell foam prevents that stuck-in-the-mud feeling common with traditional memory.
Temperature Regulation
Advanced cooling cover effectively wicks heat away from the body.
Motion Isolation
Solid foam construction dampens movement, though less than plush hybrid models.
Edge Support
Adequate for sitting, though lacks the reinforcement of coil-based mattresses.
Durability
High-density foam core ensures the surface resists sagging over time.
Key Specs
Firmness
Firm
Mattress Type
Memory Foam
Thickness
10 inches
Comfort Layer
2 inches open cell memory foam
Support Layer
8 inches high density poly foam
Sleep Position Preference
Back Sleeper, Stomach Sleeper
Cooling Feature
Yes
Motion Isolation Feature
Yes
Pressure Relief Feature
Yes
Warranty Length
20 years
Know before you buy
Still have a question?
Ask Metto anything about the Amerisleep AS1 before you decide.