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How does Charge 5 tracks sleep data?

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‎02-10-2023 07:15 - last edited on ‎02-10-2023 12:20 by Fitbit Moderator

‎02-10-2023 07:15 - last edited on ‎02-10-2023 12:20 by Fitbit Moderator

I wore my charge 5 to sleep for the first time last night. I am curious how does it know first of all that I’m actually asleep? I could be laying there totally still and relaxed instead of sleeping.

Also how does it know what stage of sleep I am in ? I guess what I’m asking is , are these stats just rough guesses/theories based on oxygen levels and heart rate? How much stock can I put in the stats ? Thanks 

 

 

Moderator Edit: Clarified subject

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‎02-10-2023 07:17

‎02-10-2023 07:17

Hi @j1odie  check out this article to learn more - click to read

Stepping in the U.S.A. since September 2013. Android 14

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