What is core sleep is on your Apple Watch, and does it even matter? We look at which sleep stages matter most for quality ...

Apple’s sleep charts can feel like a nightly report card, and “core sleep” often ends up in the spotlight. Yet the science behind wearables suggests that fixating on that one stage is a distraction ...

Learn how heart rate monitoring, sleep tracking, and vitals app work together for better wellness. Pixabay, hu_lexxi Apple Watch has transformed from a simple wearable device into a sophisticated ...

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 ...

One of the headlining features of watchOS 26 is Sleep Score, which provides a nightly score and classification of your sleep on Apple Watch. With today’s release of the first betas of watchOS 26.2 and ...

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 ...

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 ...

A team of researchers developed a new sleep study app. The app was developed using AI and an Apple Watch Series 6. BIDSleep aims to monitor sleep disorders without a sleep study. Researchers at the ...