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 ...

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 ...

With the release of the latest Apple Watch Series 11, Apple unveiled a new sleep score and hypertension notifications for high blood pressure. It even brought back its blood oxygen feature. However, ...