by Amerisleep AS3 vs Amerisleep AS5
Quick verdict: AS5 is the bed for side sleepers and anyone with hip pain. AS3 is the medium "everyone bed" for combo sleepers.
Specs at a glance
| Feature | AS3 | AS5 |
|---|---|---|
| Firmness | Medium (5/10) | Soft (3/10) |
| Comfort layer | 3" Bio-Pur | 4" Bio-Pur + 2" Active Flex |
| Best for | Combo sleepers, couples | Side sleepers, hip pain |
| Height | 12" | 14" |
| Cover | Refresh fiber | Refresh fiber |
| Trial | 100 nights | 100 nights |
| Warranty | 20 years | 20 years |
AS3 pros and cons
- Pro: Most flexible firmness for couples with mixed sleep styles.
- Pro: Bio-Pur foam breathes better than typical memory foam.
- Pro: 20-year warranty, longer than most foam beds.
- Con: Side sleepers under 130 lbs may want softer.
- Con: Edge support is okay, not great.
- Con: 12" height feels modest next to luxury hybrids.
AS5 pros and cons
- Pro: Best plush feel in the Amerisleep lineup.
- Pro: Active Flex stops side sleepers from bottoming out.
- Pro: Real hip pain relief in our pressure map.
- Con: Too soft for stomach sleepers.
- Con: Combined-weight couples above 400 lbs may sink unevenly.
- Con: Heavier to handle.
Who should choose which?
If hip pain or shoulder pressure is your headline complaint, the AS5 is the right answer, period. The AS3 is the easier all-rounder for couples with different sleep styles. Heavier sleepers above 230 lbs should compare AS5 to the Saatva HD, the HD holds shape better long term.
FAQ
Is Bio-Pur "natural"?
Partially plant-based, not certified organic. It's CertiPUR-US.
Does AS5 sleep hot?
It sleeps warmer than AS3 due to extra contour. Hot sleepers should pair it with a cooling topper or pick the AS5 Hybrid.
Is the 20-year warranty pro-rated?
Years 1-10 are full replacement, years 11-20 are pro-rated.
Can I exchange firmness during the trial?
Yes, Amerisleep allows one comfort exchange during the 100-night window.
Final verdict
AS5 wins on hip pain, AS3 wins for couples seeking versatility. Compare against Saatva via our brand review and our pain ranking. Methodology in our testing protocol.