Sleep Number Classic c4 bed

GoodBed Brand Rating

Insights from Sleep Number Classic

The Sleep Number® c4 bed lets you take comfort into your own hands. Adjust firmness with the handheld remote while being cradled in a breathable knit sleeping surface and contouring comfort material. You’ll appreciate the luxury of a bed that was designed with your comfort in mind.

For more information about the Sleep Number® c4 bed, please visit the Sleep Number

Bottom Line Is this a good bed for you?

Fit: Recommended for people who...

Prefer to sleep on their side
Prefer to sleep on their back
Prefer a lot of softness

Function: Rated for its...

Motion Isolation
Pressure Relief

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Reviews c4 bed

The Sleep Number Classic c4 bed mattress model is recommended by 50% of owners on GoodBed (based on 6 ratings).

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Q&A c4 bed

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Model Features c4 bed

Comfort Level:
Surface Type:
Euro Top


Cover / Quilt:
  • Cover / Ticking Details: Breathable knit fabric
Comfort Layer:
  • Other Comfort Details: European-style™ pillowtop; 1 1/2" layer of comfort material with five support zones
Support Layer:
  • Core Details: Adjustable air-chamber technology
  • Foundation Details: Matching coverlet; Optional foundation legs sold separately
  • Foundation Type: Platform
  • Specific Foundation: Recommended
  • Warranty Details: 20-year limited warranty
Overall Build:
  • Sleep Number Firmness Control™ System includes wired, backlit digital remote
  • No-Flip
  • Mattress Thickness: 10"

About this Model c4 bed

Active (edit this)
Sleep Number
Sleep Number Classic
Model Name:
c4 bed

Additional Information c4 bed


The c4 bed is a euro top soft mattress model that is part of the Classic product line manufactured by Sleep Number. The c4 bed is a 10-inch thick no-flip mattress that offers comfort padding.

Editor's Note(s):

  • Previously known as the Sleep Number® 4000 bed


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