c4 mattress

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$1,599Regular price: $1,899

c4 mattress

Premium mattress
$1,599Regular price: $1,899Save $300
100-night trial
15-year limited warranty

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Rest easy with breathable, cushioning support.

Feel comfortably supported in any sleeping position with a breathable layer that uniquely conforms to you.
  • Ceramic gel layer draws heat away for breathable comfort
  • Feel comfortably supported with a layer that conforms to you
  • Contours to your body to relieve pressure points
  • Adjustable comfort and firmness on each side—your Sleep Number® setting
  • Responds to your movements and automatically adjusts firmness on each side
  • Shows sleep quality—your SleepIQ® score—with personal insights for better sleep

c4 mattress
COMFORT GUIDE

  • Pressure relief
    6 out of 10
  • Support
    10 out of 10
  • Cooling
    4.5 out of 10
  • Comfort Layer
    3 inches
  • Mattress Height
    9 inches
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Compare Classic Series mattresses

Select Size:
Sleep Number c1 mattress
Mattress height: 8 inches

Sleep Number c1 mattress

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  • Sale price: $899
  • Regular price: $999
Sleep Number c2 mattress
Mattress height: 8 inches

Sleep Number c2 mattress

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Sleep Number c4 mattress
Mattress height: 9 inches

Sleep Number c4 mattress

Mattress only
$300 OFF
  • Sale price: $1,599
  • Regular price: $1,899
Which smart bed is right for you?