If you use a sleep tracker at night, these are the three metrics you should be paying attention to in the morning.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Jim McCauley While I've been writing about sleep for the last three years or so, I've ...

Are sleep trackers on your phone helping you get a full night's rest? NPR's Life Kit investigates.

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 ...

Sleep tracking is hugely popular these days, and Garmin is out to cater for just that audience with the Garmin Index Sleep Monitor. Quite a departure from Garmin’s Forerunner and Fenix watches, the ...

More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to ...

Let's say you fell asleep last night at 11pm and woke at 7am, getting 8 hours of what seems like good rest. So, why are you still tired in the morning? It's probably because you aren't getting ...

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 ...