People who score poorly on a sleep test are more likely to show signs of faster brain ageing, a new study says. This may be because poor sleep is linked to increased inflammation of the brain, the ...

Unveiled at the "Awe Dropping" event, Sleep Score isn't an Apple Watch Series 11 exclusive. Here's a look at how it works and how to try it yourself. Apple has been taking sleep tracking more ...

We all have days where we wake up after clocking the usual sleep hours, but still feel fatigued and wonder if there was something wrong during the rest hours. For such situations, the sleep tracking ...

For a while now, I’ve worn two devices when I go to sleep—an Apple Watch Series 7 on my left wrist, and a WHOOP 5 MG on my right wrist. Every morning, I get three different scores purporting to tell ...

If you've noticed your Fitbit sleep score taking a nosedive recently, don't panic—and definitely don't assume you've unknowingly developed insomnia. It seems Fitbit has quietly rolled out improvements ...

Which sleep tracker should you buy this Black Friday? Here are some of our favorites, in various forms, from smartwatches to rings. When you purchase through links on our site, we may earn an ...

Apple is already refining one of its key new features, adjusting the classifications for its Sleep Score in the latest beta ...