To see your sleep data, open the Health app on your iPhone and tap Browse, then Sleep. At the top of the screen, you will see ...

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 ...

Here's Exactly How To Track Your Sleep on Your Apple Watch originally appeared on Parade. Let’s face it: Many of us struggle to get enough sleep, especially regularly. Even if you did get, say, eight ...

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

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 ...

Apple’s sleep charts can feel like a nightly report card, and “core sleep” often ends up in the spotlight. Yet the science ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Did you know you can ...

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 ...

Apple appears to be working on a new feature for the Apple Watch that could help you better understand your nightly sleep and predict how you'll feel the next day. Code discovered in iOS 26 has ...

If you have an Apple Watch on your wrist or have played around with the popular smartwatch before, odds are you're familiar with how much technology is packed into this small devi ...

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 ...