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Night owls beware, Fitbit knows your sleep type and wants to educate you on it


Today Fitbit announced a set of new sleep-assessment features for premium users. Launching via the Fitbit app on Wednesday, Sleep Profile is the latest subscription-only data Fitbit Premium members can use to better understand their unique sleep type and identify their strengths and weaknesses.

Using a month's worth of sleep data from about 60,000 Fitbit users, the company studied 1,000 unique sleep attributes, eventually cutting and compiling them down to 10 metrics. Five already existed within the Fitbit app, including sleep stages and duration. But the five new categories assess bedtime consistency, the number of days with naps, the time before sound sleep, disrupted sleep, and "stability," which averages the number of brief, typically unnoticeable wakeups through the night. With these assessments, users can see daily, weekly, and monthly trends in each category and see where they are (and should be) within the data range of other ...


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