A new study found that less sleep could lead to a major side effect in adults.

Females sleep less, wake up more often and get less restorative sleep than males, according to a new animal study by University of Colorado Boulder researchers. The findings, published in the journal ...

Sleep is often treated as a casualty of modern life. Artificial lighting, shift work, endless notifications and late-night entertainment are usually blamed for cutting into the hours people spend ...

New research shows that even modest sleep loss can affect hormones, activity, and weight—revealing why sleep is central to ...

For most of us, getting less than seven hours of sleep translates into grogginess, sluggish thinking, and an overwhelming urge to crawl back into bed. But some people wake up fresh and energized after ...

Discover why women’s brains and bodies demand more sleep than men’s—and how you can reclaim truly restorative rest. Learn practical, science-backed strategies to close the sleep gap, boost your energy ...

Many Americans are getting too little sleep and have too much stress. A new Gallup poll revealed 57% of adults would “feel better if they got more sleep,” while 42% said they get “as much sleep as ...

Add Yahoo as a preferred source to see more of our stories on Google. Along with getting exercise and eating a nutritious diet, sleeping for 7-9 hours a night is at the top of every doctor's list of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Australian researchers have uncovered a startling link between infant ...

Moms of school-age children get significantly less sleep during the school year than during the summer. We are economists who specialize in education and health research. We combined extensive data on ...

If you have a financial debt, the maths is exact: you owe a precise sum, which stays there until you pay it down. Sleep ...