Would anyone know what it means if there's a flat line for last night's sleep for me?
Granted, I'm sure it's not that the oxygen variation remained constant, but I was wondering if there was a glitch with FitBit that other users have experienced?
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Probably best to restart your watch and make sure the back is clean to avoid it not recording the information properly.
It is explained more fully here Why didn’t I receive SpO2 data?
Author | ch, passion for improvement.
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