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Amerisleep AS3 vs Cocoon by Sealy Chill Hybrid

Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.

Amerisleep
AS3

Pricing unavailable — visit Amerisleep for current rates

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Cocoon by Sealy
Chill Hybrid

Last verified 51 days ago — check current pricing at Cocoon by Sealy

Check current price at Cocoon by Sealy
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Feature
Amerisleep
AS3
Cocoon by Sealy
Chill Hybrid
Overview
Type
Memory FoamHybrid
Firmness
1 = softest, 10 = firmest
6 / 106 / 10
Queen Price
Current / sale price
Check retailerCheck retailer
Trial Period
Return window
100 nights100 nights
Warranty
20 years10 years
Performance Ratings
Cooling
Hot sleepers
ModerateHigh
Motion Isolation
Partners, light sleepers
GoodGood
Pressure Relief
Hip/shoulder pain
GoodGood
Edge Support
Sit/sleep near edge
FairGood
Durability
Long-term performance
GoodGood
Compatibility & Features
Adjustable Base
Head/foot elevation
✓ Yes✓ Yes
Split King Support
Two Twin XL per couple
✓ Yes
Dual Comfort Zones
Different firmness per side
Smart Features
App, sensors, auto-adjust
Financing
AffirmAffirm
Materials & Safety
Certifications
Organic / non-toxic
CertiPUR-USCertiPUR-US
Off-Gassing
New-foam smell concern
CertiPUR-US certified foamCertiPUR-US certified foam
Best For
Ideal sleeper profiles
  • Split King setup
  • Adjustable base users
  • Organic / non-toxic priority
  • Trial-period conscious shoppers
  • Adjustable base users
  • Organic / non-toxic priority
  • Trial-period conscious shoppers
Actions
Our Pick

Need Help Deciding?

For most sleepers, we recommend the Amerisleep AS3 over the Cocoon by Sealy Chill Hybrid. It scores higher in cooling and delivers stronger overall value. The Cocoon by Sealy Chill Hybrid is the better choice only if you have a strong preference for that brand's specific feel or design.

Still deciding? Take our 2-minute mattress quiz →

Amerisleep AS3 vs Cocoon by Sealy Chill Hybrid: What Actually Differs

The Amerisleep AS3 is a memory foam build, while the Cocoon by Sealy Chill Hybrid is a hybrid — that single difference drives most of the cooling, motion, and feel decisions below. Profile-wise they're almost identical — the Amerisleep AS3 measures 12" and the Cocoon by Sealy Chill Hybrid measures 12", so neither will dictate your sheet depth or bed-frame compatibility. Both sit at roughly 6/10 on the firmness scale — a medium-firm feel — so neither one is the answer if you need a dramatically different support level. The single largest performance gap is in edge support: the Cocoon by Sealy Chill Hybrid rates noticeably higher than the Amerisleep AS3, which is the deciding factor if that dimension is high on your list. On a Queen, the Cocoon by Sealy Chill Hybrid runs $899 versus $999 for the Amerisleep AS3 — roughly $100 (10%) 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?

Side sleepers
Either works

Both rate the same for pressure relief — choose on firmness instead (side sleepers usually prefer the softer of the two: Cocoon by Sealy Chill Hybrid at 6/10).

Back sleepers
Either works

Both fall in the medium-firm zone back sleepers prefer (6/10 vs 6/10) — either works.

Stomach sleepers
Either works

Effectively the same firmness (6/10 vs 6/10). Stomach sleepers generally want 7+/10 — neither is ideal if both rate lower.

Hot sleepers
Spec not available

Cooling rating not available for one or both mattresses — spec not available.

Heavier sleepers (230+ lb)
Cocoon by Sealy Chill Hybrid

stronger perimeter / edge support — the two specs heavier sleepers should weight most.

Lighter sleepers (under 150 lb)
Either works

Both have similar firmness and pressure-relief profile — either works.

Couples / light sleepers
Either works

Motion isolation rated the same on both — neither has a transfer-disturbance edge.

Price Comparison (Queen)

MattressMSRPCurrentSale?
Cocoon by Sealy Chill Hybrid$1,299$899Save $400
Amerisleep AS3$1,499$999Save $500

The Cocoon by Sealy Chill Hybrid is the budget choice at $899$100 less than the Amerisleep AS3 ($999). That's a 10% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Both are currently below MSRP.

Amerisleep AS3

Strengths

  • Plant-based Bio-Pur foam
  • 20-year warranty
  • Good pressure relief
  • Responsive feel

Considerations

  • Higher MSRP (frequent sales)
  • 100-night trial (shorter than some)
  • Limited edge support

Cocoon by Sealy Chill Hybrid

Strengths

  • Phase-change cooling cover (InfiniCool)
  • Pocketed coils improve airflow vs foam version
  • Quantum Edge reinforced perimeter
  • 100-night trial with free return/donation

Considerations

  • 35% off promo is near-permanent (MSRP inflated)
  • Lower commission vs. top-tier brands (2-3%)
  • Must order direct or Amazon

Who Should Buy Which?

Choose the Amerisleep AS3 if you…

  • Hot sleepers
Check Amerisleep Price ↗

Choose the Cocoon by Sealy Chill Hybrid if you…

  • Sitting near the edge
Check Cocoon by Sealy Price ↗

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