Apple added a new Sleep Score feature that gives you a single number to sum up how you slept. It pulls data from your Apple Watch and turns it into an easy rating you can check first thing in the ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Did you know you can ...

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 ...

If you have an Apple Watch on your wrist or have played around with the popular smartwatch before, odds are you're familiar with how much technology is packed into this small devi ...

The Apple Watch 11 is supposed to be able to alert users about “possible hypertension” by using data from an optical heart rate sensor “to analyze how a user’s blood vessels respond to the beats of ...