Amazon Halo vs Fitbit Sense for sleep tracking - Halo never seems to think I have REM sleep, but Sense thinks I have more of that than deep sleep... Anyone else? :
Not enough deep sleep? - Fitbit Community
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I tried Fitbit's sleep tracking feature Premium Sleep Profile for two months
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Solved: How does Sleep score work? - Fitbit Community
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Solved: Deep sleep tracking changes if I add more sleep - Fitbit Community
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How a Fitbit Tracks Sleep, and How to Check Your Stats
Is it possible to earn a 100 sleep score? - Fitbit Community
