The Amerisleep AS3 Hybrid earns its strong first-night reputation: independent baseline testing measured deep but controlled 2.38-inch contouring, exceptionally low motion transfer, and excellent seated edge support. The durability question sits in the three-inch Bio-Pur comfort layer, which is likely to soften before the pocketed-coil core fails — our review plans around a 6–8 year comfort life, not the 20-year warranty headline, and notes that normal softening is excluded from warranty coverage until a visible 1.5-inch indentation appears.
Queen Price
Not published
Specs & prices checked 2026-08-19 — see notes below.
The Amerisleep AS3 Hybrid is a medium Hybrid mattress (12", 5.5/10 firmness) with no current manufacturer price published in the checked primary sources. We put it through our Living Review durability program.
Best for: side sleepers and couples.
Keep in mind: The three-inch comfort layer may soften noticeably before the 1.5-inch warranty threshold is reached.
Bio-Pur Comfort Foam
Pressure relief and motion absorption; most exposed to softening and body impressions
Zoned Pocketed Coils
Deep support, airflow, and a reinforced perimeter
Base and Cover Assembly
Completes the 12-inch profile and stabilizes the comfort and coil units
| Size | Dimensions | Price |
|---|---|---|
| Twin | 38" x 75" | Not published |
| Twin Xl | 38" x 80" | Not published |
| Full | 54" x 75" | Not published |
| Queen | 60" x 80" | Not published |
| King | 76" x 80" | Not published |
| Cal King | 72" x 84" | Not published |
A current manufacturer price for the Amerisleep AS3 Hybrid is not published or verifiable in the primary sources checked 2026-08-19. We removed the older price rather than carry forward a third-party estimate.
We rate it best for side sleepers and couples. It's a medium hybrid (bio-pur foam) scoring 8/10 for support and 7.5/10 for cooling in our analysis.
20 years warranty.
It carries a 20 years warranty and 8/10 support in our analysis. Our Living Review provides directional sagging-risk estimates for years 1, 3, and 5 based on construction, cited evidence, and public owner-report patterns.
The Living Review covers long-term sagging risk, owner-reported failures, and how this model holds up at years 1, 3, and 5.
Read the Living Review
A tank of a mattress. The zoned coil system actively pushes back to keep the spine aligned, and the reinforced build resists the early sagging that kills cheaper hybrids. Our top durability scorer, backed by a lifetime warranty that makes the long-term math easy.
Queen
$1,799
The Helix Plus is purpose-built for the plus-size category with an 11.5-inch hybrid construction, Ultra Dense Memory Foam, Firm Memory Foam, XL Wrapped Coils, and DuraDense Foam. Helix publishes a 1,000-pound capacity for the current model, but it does not publish the foam densities used in this record. The Living Review's longer-term stability analysis therefore remains editorial rather than a manufacturer-confirmed density comparison.
Queen
$1,598.75
The current DreamCloud catalog lists a Premier Hybrid rather than a matching Premier Rest page. This directory entry is retained as a legacy Living Review route, but its former third-party price, profile, cover, and layer estimates are intentionally withheld until the model identity is reconciled. Treat the linked review as historical analysis, not a current buying specification.
Queen
Price not published