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 ...

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 ...

This Sleep Awareness Month, consider this your sign to stop glorifying exhaustion and start protecting your rest.

I check my Apple Watch every morning to help me understand my sleep and one metric always stands out as worryingly low. Despite regularly clocking up over eight hours of happy snoozing, deep sleep ...

In my last post, I asked, "Are you getting enough sleep?" Today, in an effort to better understand the role of sleep in our lives, I ask a very basic question: What happens when our heads hit the ...

Add Yahoo as a preferred source to see more of our stories on Google. 7-9 hours remains the guideline, but not everyone needs that much sleep. Some need less, some need more. Sarah Mitroff/CNET If you ...