c1 mattress

$599

c1 mattress

Premium mattress
$599
100-night trial
15-year limited warranty

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$599
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Smart adjustability starts here

Our best value for adjustable firmness on either side, so it's just right for both of you.
  • Quilted cover combined with a ceramic gel layer draws heat away for breathable comfort
  • Adjusts to your ideal firmness and support
  • 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

c1 mattress
COMFORT GUIDE

  • Pressure relief
    3 out of 10
  • Support
    10 out of 10
  • Cooling
    3 out of 10
  • Comfort Layer
    1.25 inches
  • Mattress Height
    8 inches
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Compare Classic Series mattresses

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

Sleep Number c1 mattress

Mattress only
  • Sale price: $599
Sleep Number c2 mattress
Mattress height: 8 inches

Sleep Number c2 mattress

Mattress only
  • Sale price: $899
Sleep Number c4 mattress
Not available in this size
Which smart bed is right for you?