Fitbit adds Sleep Score to its smart health metrics
Fitbit adds Sleep Score to its smart health metrics Fitbit has started rolling out its new personalised Sleep Score feature, which is based on heart rate, time asleep, restlessness and breathing. What’s the first thing Fitbit users do when they wake up? There’s little point checking how many steps you took getting up for a pee at 3am. For many, the first waking visit to the app is to check the quality of their sleep....