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Sleep Number 360 i8 Smart Bed vs Tempur-Pedic TEMPUR-ProAdapt

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

Sleep Number
360 i8 Smart Bed
$2,399
$3,999 MSRP
Queen
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Tempur-Pedic
TEMPUR-ProAdapt
$3,399
Queen
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📧 Get notified if this price drops
Feature
Sleep Number
360 i8 Smart Bed
Tempur-Pedic
TEMPUR-ProAdapt
Overview
Type
Smart BedMemory Foam
Firmness
1 = softest, 10 = firmest
5 / 106 / 10
Queen Price
Current / sale price
$2,399$3,399
Trial Period
Return window
100 nights90 nights
Warranty
15 years10 years
Performance Ratings
Cooling
Hot sleepers
ModerateLow
Motion Isolation
Partners, light sleepers
GoodExcellent
Pressure Relief
Hip/shoulder pain
GoodExcellent
Edge Support
Sit/sleep near edge
FairFair
Durability
Long-term performance
ExcellentExcellent
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
✓ 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) Snoring detection + auto-response. Compatible with FlexFit adjustable base (head+foot articulation).
Financing
AffirmSynchrony
Materials & Safety
Certifications
Organic / non-toxic
None listedCertiPUR-US
Off-Gassing
New-foam smell concern
CertiPUR-US certified foam
Best For
Ideal sleeper profiles
  • Partners with different preferences
  • Adjustable base users
  • Heavy sleepers
  • Trial-period conscious shoppers
  • Side sleepers
  • Couples / light sleepers
  • Split King setup
  • Adjustable base users
Actions
Our Pick

Need Help Deciding?

For most sleepers, we recommend the Sleep Number 360 i8 Smart Bed over the Tempur-Pedic TEMPUR-ProAdapt. It scores higher in cooling, price-to-value and offers strong overall value at $2,399 (vs $3,399). The Tempur-Pedic TEMPUR-ProAdapt 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 →

Sleep Number 360 i8 Smart Bed

Strengths

  • Snoring detection + automatic head elevation response
  • 12-inch deep comfort layers
  • Dual adjustable firmness
  • Advanced pressure-mapping foam

Considerations

  • Standard Cal King not available (only Flex Top Cal King)
  • A significant investment — reflects dual-adjustable smart bed engineering, biometric sensors, and ongoing app infrastructure — pricing reflects a technology platform, not just a mattress
  • Mattress-only

Tempur-Pedic TEMPUR-ProAdapt

Strengths

  • Available in 3 firmness options
  • 12-inch TEMPUR material depth
  • Excellent motion isolation
  • 10-year full replacement warranty

Considerations

  • No active cooling technology
  • Priced above mainstream alternatives — reflects decades of proprietary TEMPUR material R&D — this technology and its longevity track record are not available from any other brand
  • $175 return shipping fee

Who Should Buy Which?

Choose the Sleep Number 360 i8 Smart Bed if you…

  • Hot sleepers
  • Budget-conscious shoppers
  • Trial-period sensitive buyers
  • Couples with different firmness preferences
Check Sleep Number Price ↗

Choose the Tempur-Pedic TEMPUR-ProAdapt if you…

  • Couples / light sleepers
  • Side sleepers / pressure relief
  • Organic / non-toxic priority shoppers
Check Tempur-Pedic Price ↗

Sleep Number 360 i8 Smart Bed

Tempur-Pedic TEMPUR-ProAdapt

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