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Here’s what the science says.

The frustrating cycle of hitting snooze and struggling through mornings despite adequate sleep duration affects millions of Americans. This disconnect between sleep quantity and morning alertness has ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. Have you ever slept a full eight hours but awakened feeling as tired as if you had pulled an all-nighter? If so, you may have ...

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

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. So you set your first smartphone alarm for 6: ...

I've been dealing with 3am wake-ups for months. Two doctors just explained what's likely behind these nighttime wake-ups and how to stop them ...

Most experts recommend getting seven to nine hours of sleep a night — so why do we sometimes get a full night’s rest and still wake up feeling tired? It may have something to do with the point in the ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

This article was reviewed by Lynn Marie Morski, MD, JD Key Takeaways: It’s common for sleep issues to increase during ...

Yaqoot Fatima receives funding from MRFF, NHMRC and Beyond Blue. Alexandra Metse has received funding from the Australian Prevention Partnership Centre, MRFF, the Waterloo Foundation, and the NSW ...