Everything that goes into Fitbit’s latest sleep metric – including SpO2 data

Fitbit is the best in the business at tracking sleep from the wrist, and it’s now even more simple and effective with the addition of Sleep Score.

Those with Fitbit trackers have long been able to access Sleep Stages graphs and breakdowns, but Sleep Score condenses all the information from your night’s sleep and spits it out as a round figure.
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Read full post here:
https://www.wareable.com/fitbit/fitbit-sleep-score-review-guide-6846