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Sleep tracking inaccurate on Inspire 3

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‎09-09-2025 11:46 - last edited on ‎09-09-2025 22:19 by Fitbit Moderator

‎09-09-2025 11:46 - last edited on ‎09-09-2025 22:19 by Fitbit Moderator

Duration and quality of sleep are inaccurate. I have to correct the start and end time daily. Sleep categories tracking seems wrong as well as I never spend any time in deep sleep or REM. Switched settings from normal to sensitive and back. No change.

ideas? Thanks!

 

Moderator edit: clarified subject.

 

 

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‎09-09-2025 22:18

‎09-09-2025 22:18

Welcome to the community forums @Fitmirabelle. 

Thank you for sharing with me this difficulty that you are experiencing with your Inspire 3. Thank you for trying to fix it on your own. 

Please, confirm that your tracker is snug on your wrist (the lights shouldn't be visible). We also recommend when you're not exercising, wear the tracker just above the wrist bone. For more detailed information, see What factors can affect my heart-rate reading on my Fitbit device? 

Keep in mind that you must see sleep stages in order to see your sleep score information. Please swipe left on the Sleep Score graph, here you can see information about your weekly sleep average and sleep duration. To get more detailed information, see What's sleep score in the Fitbit app?

With that in mind, I recommend considering the following in order to get sleep stages:

  • If you slept in a position that prevented your device from getting a consistent heart-rate reading or wore it too loosely. For best results, wear your device higher on your wrist (about 2-3 finger widths above your wrist bone). The band should feel secure but not too tight.
  • If you used the Begin Sleep Now option in the Fitbit app (instead of simply wearing your device to bed). For more information on automatic sleep tracking, see How do I track my sleep with my Fitbit device?
  • If you slept for less than 3 hours.
  • If your device’s battery is critically low.

For more information, see What should I know about Fitbit sleep stages?

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