How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...

Apple has expanded its sleep apnea notification feature to Apple Watch users in South Korea, the company announced today. Sleep apnea is a condition in which breathing repeatedly stops and starts ...

A new study just found a link between bedtime disciple and two serious ailments. Turns out, my Apple Watch has been logging ...

I used to rip my Apple Watch off in the middle of the night, convinced that no notification or sleep score was worth the ...

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 ...

Your new Apple Watch is absolutely jam-packed with handy features to help you stay connected, safe, healthy, and organized.

Over 70 million Americans wear digital activity trackers (DATs) to record their sleep, steps and heart rate. A new study from ...

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 ...

Apple has announced that Korean users can now use the new “sleep apnea notification” function on Apple Watch. This function analyzes the data of the Apple Watch accelerometer to identify the pattern ...