Amerisleep AS3 vs Sleep Number 360 c2 Smart Bed
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
| Feature | Amerisleep AS3 | Sleep Number 360 c2 Smart Bed |
|---|---|---|
| Overview | ||
Type | Memory Foam | Smart Bed |
Firmness 1 = softest, 10 = firmest | 5.5 / 10 | 5 / 10 |
Queen Price Current / sale price | $1,749 | $909 |
Trial Period Return window | 100 nights | 100 nights |
Warranty | 20 years | 15 years |
| Performance Ratings | ||
Cooling Hot sleepers | 8/10 | Low |
Motion Isolation Partners, light sleepers | 9/10 | Fair |
Pressure Relief Hip/shoulder pain | 8/10 | Fair |
Edge Support Sit/sleep near edge | 6/10 | Fair |
Durability Long-term performance | 5/10 | Good |
| Compatibility & Features | ||
Adjustable Base Head/foot elevation | ✓ Yes | ✗ No |
Split King Support Two Twin XL per couple | ✓ Yes | ✓ Yes |
Dual Comfort Zones Different firmness per side | — | ✓ Yes |
Smart Features App, sensors, auto-adjust | — | SleepIQ biometric tracking (heart rate, breathing, movement), adjustable firmness 0-100 scale per side, Responsive Air auto-adjustment, Sleep Number app (iOS/Android) |
Financing | Affirm, Klarna | Affirm |
| Materials & Safety | ||
Certifications Organic / non-toxic | CertiPUR-US | None listed |
Off-Gassing New-foam smell concern | CertiPUR-US certified foam | — |
| Best For | ||
Ideal sleeper profiles |
|
|
| Actions | ||
Need Help Deciding?
For most sleepers, we recommend the Sleep Number 360 c2 Smart Bed over the Amerisleep AS3. It scores higher in durability, price-to-value and delivers stronger overall value. The Amerisleep AS3 is the better choice only if you have a strong preference for that brand's specific feel or design.
Amerisleep AS3 vs Sleep Number 360 c2 Smart Bed: What Actually Differs
The Amerisleep AS3 is a memory foam build, while the Sleep Number 360 c2 Smart Bed is a smart bed — that single difference drives most of the cooling, motion, and feel decisions below. The Amerisleep AS3 stands 12" tall versus 8" for the Sleep Number 360 c2 Smart Bed — a 4.0" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. Both sit at roughly 5.5/10 on the firmness scale — a medium feel — so neither one is the answer if you need a dramatically different support level. On a Queen, the Sleep Number 360 c2 Smart Bed runs $909 versus $1,749 for the Amerisleep AS3 — roughly $840 (48%) 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?
Pressure-relief data not available for one or both mattresses — spec not available.
Firmness of 5.5/10 is closer to the medium-firm sweet spot back sleepers need for lumbar support (vs 5/10).
Firmer at 5.5/10 vs 5/10 — stomach sleepers need the extra support to keep the pelvis from sinking and arching the lower back.
Cooling rating not available for one or both mattresses — spec not available.
Durability and edge-support ratings not available — spec not available.
Softer at 5/10 vs 5.5/10 — lighter sleepers compress less, so they typically need the softer of two options to get proper contouring.
Motion-isolation data not available for one or both mattresses — spec not available.
Price Comparison (Queen)
| Mattress | MSRP | Current | Sale? |
|---|---|---|---|
| Sleep Number 360 c2 Smart Bed | $1,299 | $909 | Save $390 |
| Amerisleep AS3 | $1,749 | $1,749 | At MSRP |
The Sleep Number 360 c2 Smart Bed is the budget choice at $909 — $840 less than the Amerisleep AS3 ($1,749). That's a 48% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Only the Sleep Number 360 c2 Smart Bed is on sale right now.
Amerisleep AS3
Strengths
- ✓Medium feel fits a broad sleeper range
- ✓Strong motion isolation for couples
- ✓HIVE zoning gives extra shoulder and hip pressure relief
Considerations
- —Current page payload did not publish per-size sale prices, so sale fields are intentionally NULL
- —All-foam edge support is more modest than AS3 Hybrid
- —Shoppers who want a springy feel may prefer the hybrid
Sleep Number 360 c2 Smart Bed
Strengths
- ✓Adjustable firmness 0-100 (per side)
- ✓SleepIQ sleep tracking included
- ✓Dual-zone customization for couples
- ✓15-year warranty
Considerations
- —No active cooling
- —Thinnest at 8-inch (limited comfort layers)
- —Requires ongoing app usage for full benefit
Who Should Buy Which?
Choose the Sleep Number 360 c2 Smart Bed if you…
- →Budget-conscious shoppers
- →Couples with different firmness preferences