I messed up my sleep schedule and used ChatGPT's advice to fix it in 2026 ...

In the United States, insufficient sleep strongly correlates with life expectancy, even more than diet, exercise or social ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

If you’ve ever felt tired after a full night’s sleep, you likely didn’t get enough deep sleep. This stage of sleep is considered to be the most restful, so getting enough of it is key for your overall ...

Discover why sleep is more powerful than you think—and how a lack of it can quietly impact everything from your mood to long‑term brain health.

Here’s what the science says.

We know that sleep is important for our health — long-term sleep issues have been linked to worse cardiovascular health, a weakened immune system and cancer. But how do you know if you’re getting ...

People struggling with insomnia tend to hyperfocus on the fact that they can't sleep, which can prevent them from getting any ...

Are sleep trackers on your phone helping you get a full night's rest? NPR's Life Kit investigates.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Put simply, sleep is the maintenance system that keeps every organ functioning ...