Sleep tracking apps promise better rest through data. But what happens when the pursuit of a perfect score keeps you up at night? For a growing number of people, that Apple Watch, Oura Ring, or ...

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 ...

Smartwatches make it easy to keep track of your sleep with data-based scoring. But, as it turns out, this may be doing more harm than good to your sleep.

From falling asleep faster to sleeping through the night, an expert explains why the 7:1 rule is your sleep trackers favorite ...

Fitbit Public Preview users are getting a redesigned Sleep Score experience with “actionable advice that will help improve your sleep health.” Think of this as a higher-definition view of your rest.

My bedroom has become a sleep lab filled with smart rings, fitness bands, and mattress covers. Here's what I learned.

Apple Watch includes a built-in sleep tracking feature. Just wear your Apple Watch to bed, and it works automatically. No need to install apps or enter a special mode. watchOS 26 takes sleep tracking ...

Academic performance is influenced by sleep; however, the relationship between academic outcomes and subjective sleep measures remains controversial. This study aimed to evaluate the association ...

The Pittsburgh Sleep Quality Index (PSQI) is widely used, but can be impractical in large studies due to its length. The two-item version (PSQI-2) is a promising alternative, with underexplored ...

Like many Americans, I know I need more sleep. I’m a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I’m not getting enough rest. When I ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Future Fitness ...