3 Night Sleep Test

Environmental factors, such as weather and room temperature impact the air pressure in your Sleep Number® mattress, and can even cause your mattress to soften. This article provides information to help you determine if environmental factors are causing variations in your bed’s firmness.  

This three night sleep test will help you determine if you are experiencing normal fluctuations in air pressure due to the environment, Responsive Air adjustments or potential air loss.

  • Fluctuations in air pressure that are gradual or sporadic are usually caused by changes in the environment.
  • For mattresses with Responsive Air™ technology, you may notice your mattress letting air in or out a few times a day to maintain your Sleep Number® setting in response to changes in the environment or your sleep position.  
  • If your mattress continually gets very soft over night, it may be losing air from a connection or component part.

Follow these simple steps:

  1. Lay in bed and set your bed to your preferred Sleep Number setting.
  2. If you have Responsive Air™ technology, turn it off.
  3. Set your remote aside and do not use the SleepIQ App to adjust your Sleep Number setting during the sleep test.   
  4. Sleep on the bed for three nights.

What happened?

  • If your bed got slightly softer and/or firmer or no change, you are experiencing normal environmental changes. Read more about how air pressure works in your mattress.  
  • If your bed continually got softer and softer over 3 nights and feels like air has left the mattress, you may be experiencing air loss. Air loss means air continuously leaves the bed and does not go back in unless you adjust your Sleep Number setting. Follow troubleshooting steps to check air connections.



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