We independently review everything we recommend. We may make money from the links on our site. Learn more› By Rose Maura Lorre Rose Maura Lorre is a writer who has reported on turkey fryers, ...

The Apple Watch has a built-in sleep tracker, but it can be hard to find. Here’s how to access it, how to set it up so that it properly records how much sleep you’re getting, and how to understand the ...

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...

Feeling groggy these days? NPR's Life Kit has science-based strategies to help you sleep better, deeper and longer. A full night's sleep is a wonderful thing. It improves our memory and brain ...

Sign up for Life Kit's Guide to Better Sleep, a limited-run newsletter series. Over the course of a week, we'll send you science-backed strategies to help you sleep ...