Whether you're a morning person or can barely drag yourself out of bed, everyone knows how important a good night's sleep can be. Now, scientists have revealed which countries are getting the most ...

(CNN) — Do you get enough shut-eye? We know a good night’s sleep is essential for health, yet many do not consistently get enough of it. About 1 in 3 American adults do not regularly get recommended ...

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.

Sleep is critical to peak health. Some of the adverse health effects attributed to too little sleep include obesity, diabetes, hypertension, heart disease, stroke, depression, impaired immune function ...

Some people are genetically built to require less sleep than the rest of us. Albert Joseph Moore / Public Domain Everyone has heard that it’s vital to get seven to nine hours of sleep a night, a ...

Here’s what the science says.

Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions. Wear your watch or ring to bed, and you'll wake up to a detailed sleep report telling you not just ...

“Can’t I just treat my insomnia with a book?” My interlocutor was sure there was a book out there (including one of mine) that “could get me to sleep just fine.” Certainly, many could do with a brief ...