Amerisleep AS5 vs Helix Midnight
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
Pricing unavailable — visit Amerisleep for current rates
Check current price at Amerisleep →Pricing unavailable — visit Helix for current rates
Check current price at Helix →| Feature | Amerisleep AS5 | Helix Midnight |
|---|---|---|
| Overview | ||
Type | Memory Foam | Hybrid |
Firmness 1 = softest, 10 = firmest | 4 / 10 | 5.5 / 10 |
Queen Price Current / sale price | Check retailer | Check retailer |
Trial Period Return window | 100 nights | 100 nights |
Warranty | 20 years | 15 years |
| Performance Ratings | ||
Cooling Hot sleepers | Moderate | Moderate |
Motion Isolation Partners, light sleepers | Excellent | Good |
Pressure Relief Hip/shoulder pain | Excellent | Excellent |
Edge Support Sit/sleep near edge | Fair | Good |
Durability Long-term performance | Good | Good |
| Compatibility & Features | ||
Adjustable Base Head/foot elevation | ✓ Yes | ✓ Yes |
Split King Support Two Twin XL per couple | — | — |
Dual Comfort Zones Different firmness per side | — | — |
Smart Features App, sensors, auto-adjust | — | — |
Financing | Affirm | Affirm |
| Materials & Safety | ||
Certifications Organic / non-toxic | CertiPUR-US | CertiPUR-US |
Off-Gassing New-foam smell concern | CertiPUR-US certified foam | CertiPUR-US certified foam |
| Best For | ||
Ideal sleeper profiles |
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| Actions | ||
Need Help Deciding?
For most sleepers, we recommend the Helix Midnight over the Amerisleep AS5. It scores higher in edge support, price-to-value and delivers stronger overall value. The Amerisleep AS5 is the better choice only if you have a strong preference for that brand's specific feel or design.
Amerisleep AS5 vs Helix Midnight: What Actually Differs
The Amerisleep AS5 is a memory foam build, while the Helix Midnight is a hybrid — that single difference drives most of the cooling, motion, and feel decisions below. The Amerisleep AS5 stands 14" tall versus 12" for the Helix Midnight — a 2.0" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. The Helix Midnight is the firmer of the two at 5.5/10 (medium), and the Amerisleep AS5 sits at 4/10 (medium-soft) — a meaningful enough gap that sleeper position and weight should drive the choice. The single largest performance gap is in motion isolation: the Amerisleep AS5 rates noticeably higher than the Helix Midnight, which is the deciding factor if that dimension is high on your list. On a Queen, the Helix Midnight runs $1,099 versus $1,599 for the Amerisleep AS5 — roughly $500 (31%) less, which is enough to factor into the decision unless the pricier model wins clearly on the specs you care about.
Which Is Better For Your Sleep Style?
Both rate the same for pressure relief — choose on firmness instead (side sleepers usually prefer the softer of the two: Amerisleep AS5 at 4/10).
Firmness of 5.5/10 is closer to the medium-firm sweet spot back sleepers need for lumbar support (vs 4/10).
Firmer at 5.5/10 vs 4/10 — stomach sleepers need the extra support to keep the pelvis from sinking and arching the lower back.
Cooling rated the same on both — neither has a heat-management edge in our spec data.
stronger perimeter / edge support — the two specs heavier sleepers should weight most.
Softer at 4/10 vs 5.5/10 — lighter sleepers compress less, so they typically need the softer of two options to get proper contouring.
Higher motion-isolation rating, which means less disturbance when a partner moves or gets out of bed.
Price Comparison (Queen)
| Mattress | MSRP | Current | Sale? |
|---|---|---|---|
| Helix Midnight | $1,373 | $1,099 | Save $274 |
| Amerisleep AS5 | $2,099 | $1,599 | Save $500 |
The Helix Midnight is the budget choice at $1,099 — $500 less than the Amerisleep AS5 ($1,599). That's a 31% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Both are currently below MSRP.
Amerisleep AS5
Strengths
- ✓Plush pressure relief
- ✓Plant-based foam
- ✓20-year warranty
- ✓Excellent for side sleepers
Considerations
- —Too soft for stomach sleepers
- —Priced above entry-level options in this category — reflects premium materials and construction above mainstream mattress standards
- —Limited edge support
Helix Midnight
Strengths
- ✓Great for side sleepers
- ✓Hybrid support + comfort
- ✓Reasonable price point
- ✓Zoned lumbar support
Considerations
- —100-night trial (shorter than some)
- —May not be firm enough for stomach sleepers
Who Should Buy Which?
Choose the Amerisleep AS5 if you…
- →Couples / light sleepers
- →Softer feel seekers
Choose the Helix Midnight if you…
- →Sitting near the edge
- →Budget-conscious shoppers
- →Firmer support seekers