Fitbit has updated its algorithm for more accurate sleep tracking. The new algorithm now accounts for awake times better, supposedly rendering more accurate data about different phases. However, users ...

Fitbit has quietly rolled out an update to its sleep tracking algorithm. It now detects brief awakenings during the user’s sleep time. Several users had noticed a dip in their sleep quality recently, ...

Add Yahoo as a preferred source to see more of our stories on Google. For years now, we've been told that we have to get enough sleep to maintain our physical and mental health. But in reality, the ...