But it's a complicated thing. And, while we usually hyperfocus on sleep duration, counting the hours of rest we get and assuming the more the better, recent studies have shown that sleep quality ...

Spending lower proportions of time in two deep sleep stages — including REM sleep — may be linked to volume changes in ...

The National Sleep Foundation recommends getting seven to nine hours of sleep each night, but only 6.3% of University of Minnesota Morris students report accomplishing that on a regular basis.

We spoke with one of the study authors, Børge Sivertsen, a professor and senior researcher at the Norwegian Institute of Public Health, to understand just why screens are detrimental to sleep ...

Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the ...