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 ...

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 ...

I thought I was thriving on 6 hours of sleep a night — then I showed a board-certified doctor my Apple Watch sleep tracking ...

Ever woken up from what you thought was a solid eight hours sleep, expecting to find an excellent sleep score on your Apple Watch, only to find one lingering in the low 50s? Firstly, don’t be ...