Whether it’s a night of sleep deprivation, natural sleep variation, or just a single hour of sleep lost for a whole society, research by Eti Ben Simon, Matthew Walker, and colleagues at the University ...

Sleep is often treated as a casualty of modern life. Artificial lighting, shift work, endless notifications and late-night ...

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 ...

A new animal study shows that males and females have profoundly different sleep patterns. The findings shed light on what may drive differences in humans and have broad implications for preclinical ...

Have you ever noticed how some people bounce out of bed after just a few hours of sleep, while others can barely function without a solid eight hours? Take Margaret Thatcher, for example. The former ...

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 ...

On dry nights, the San hunter-gatherers of Namibia often sleep under the stars. They have no electric lights or new Netflix releases keeping them awake. Yet when they arise in the morning, they ...

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 ...

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 ...