• Why Sleep Number?

    Why Sleep Number? – The Sleep Number® bed allows you to choose your firmness, comfort and support. Learn More

  • Beds

    Beds – All our mattresses feature exclusive DualAir technology View All Beds

    • Classic Series

      Discover Sleep Number® adjustable firmness
      on each side.

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    • Performance Series

      Adjustable firmness on each side, with enhanced pressure-relieving comfort

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    • Memory Foam Series

      The only Memory Foam beds with Sleep Number® adjustability

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    • Innovation Series

      Our most advanced innovations in sleep with adjustable firmness
      on each side

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  • SleepIQ®

    SleepIQ® – Discover the best sleep of your life and prove it. SleepIQ® Login

    Sleep Number® beds track and optimize your sleep with optional SleepIQ® technology.

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    Find Your Nearest Sleep Number® Store

    Over 450 Stores Nationwide

    Bellevue Square Store

    1st level West, near Nordstrom

    Bellevue, WA   98004-5019

    Store Hours

    Sun 11 AM- 7 PM
    Mon-Sat 9:30 AM- 9:30 PM

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Sleep Number® bed Mattress Size Guide

The following are Sleep Number mattress sizes:

One mattress size does not fit all. That's why SLEEP NUMBER offers the SLEEP NUMBER® mattress in a wide variety of sizes--so that you may choose the perfect size for your needs.

  • Dual chambers are available on Double, Queen,King and Grand King® mattress sizes
  • Sleep Number mattresses also available in Twin and Twin Long sizes
  • Shipped to you in multiple, easy-to-carry boxes, or delivered and assembled for you with our Comfort Service™ Home Delivery and Setup
  • Lightweight
  • Quick & easy to assemble, requiring NO TOOLS
  • Component style--fits around corners and up tight staircases for placement in locations that you never thought possible!
  • Compatible with standard-sized bedroom furniture
  • Don't forget a new mattress pad and bed frame if you are changing your mattress size
  • Covered by our amazing 25-Year Limited Warranty.
  • Comes with our 100-Night In-Home Trial guarantee

Shop for Your Sleep Number® Bed

Which mattress size is best for me?

Experts and SLEEP NUMBER alike recommend buying the largest size bed that will fit in your bedroom. Many factors help determine which size bed is best for you. Some include:

  • Personal sleeping space comfort
  • Bedroom dimensions
  • Size and quantity of furniture in bedroom
  • Size and nature of bed furniture

As a general guideline, choose a bed that is at least 4 inches longer than the height of the tallest sleeper and wide enough so that each sleeper can comfortably rest without overlapping his/her sleeping partner.

Shop for Your Sleep Number® Bed 
5 Easy Steps to Choosing a Mattress