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Charge 4 not providing sleep stages

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‎02-06-2025 15:25 - last edited on ‎02-07-2025 15:03 by Fitbit Moderator

‎02-06-2025 15:25 - last edited on ‎02-07-2025 15:03 by Fitbit Moderator

My sleep log changed today. It no longer gives a sleep score, Divides the stage sleep stages differently and doesn’t give me a range anymore. What happened?

 

Moderator edit: clarified subject.

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2 REPLIES 2

‎02-07-2025 13:14

‎02-07-2025 13:14

Hello @EATL and welcome to the Community.  It sounds like you got sleep patterns, not sleep stages.  This can happen to any user from time to time.  The most common reason is that your Charge 4 couldn't record a detailed heart rate.  Your Fitbit records your heart rate on a beat-to-beat basis.  Many times users don't get their breathing rate when this happens.

Laurie | Maryland
Sense 2, Luxe, Aria 2 | iOS | Mac OS

Take a look at the Fitbit help site for further assistance and information.

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‎02-07-2025 15:01

In response to LZeeW

‎02-07-2025 15:01

It'g good to see you participating in the community for the first time @EATL.

Thank you for sharing the information regarding this behaviour of your Charge 4. 

Following the advice provided by @LZeeW I'd suggest you following the steps listed here:

  • Switch the Heart Rate settings from On to Off and manually sync your watch. To switch the heart rate settings on your watch, from the main screen of your watch, swipe left until you see "Settings", next swipe up until you see "Heart Rate" and switch it to Off.
  • Once it's done, manually sync your Charge 4. To do so, open the Fitbit app, tap on the Account icon, tap on your Charge 4's image and tap on "Sync Now" 
  • Next, switch it from Off to On and manually sync your watch once again. 
  • Once it's done, restart your watch once again. 
  • Next, 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.

Additionally, 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.

Thanks for your help @LZeeW. 

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