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 ...

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 ...

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

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 ...

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 ...

Apple may be developing a sleep score feature for the Apple Watch, based on code found in iOS 26 by MacRumors contributor Steve Moser. An image buried in the Health app code features an Apple Watch ...

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 ...