We asked the experts how your sleep changes as you age and why quality rest is a priority at 65+ ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most of us treat sleep like it’s a simple budget item: we ...

Sleep expert Matthew Walker has a very serious message for Americans. If you’re regularly sleeping less than seven hours a night, says the professor of neuroscience and psychology at the University of ...

Short sleepers, who make up less than one per cent of the population, spend significantly less time snoozing without any ...

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 habits that will keep you healthy. Experts warn that skimping on sleep ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

Americans may not be so bleary-eyed after all. According to Withings, a maker of health tracking devices, Americans are falling asleep these days at 11:32PM and waking up at 7:22AM—nearly a solid ...

The following story is excerpted from TIME’s special edition, The Science of Sleep, which is available at Amazon. Anyone who has nodded off on the subway, faked alertness in a meeting at work or ...