In the new study, researchers demonstrated that the human brain falls asleep abruptly, rather than gradually, with a "tipping point" marking the transition from wakefulness into sleep. They were then ...

For many years, researchers have conducted true experiments to determine the effects of sleep deprivation in adults. These studies have demonstrated conclusively that cognitive processing is ...

When study participants took an attention test while sleep-deprived, their brain scans showed signs of a sleep-like state linked to the brain’s nightly cleaning process. This could be the brain’s ...

For years, researchers have been building an ever-longer list of dementia risk factors: poor diet, lack of exercise, social isolation, air pollution, untreated hearing loss, diabetes, high blood ...

Sleep helps the brain to cleanse itself—and now this process can be measured in humans entirely noninvasively. Researchers at the University of Oulu have developed a method that allows the increased ...

Keeping phones out of the bedroom is a growing trend supported by psychological research. Studies show that reducing ...

Everyone has heard that it’s vital to get seven to nine hours of sleep a night, a recommendation repeated so often it has become gospel. Get anything less, and you are more likely to suffer from poor ...

For decades, the mantra has been the same: adults should aim for seven to eight hours of uninterrupted sleep each night for optimal health, performance, and longevity. From doctors to wellness ...

Want to sleep deeper and wake up less? New research says getting intimate before bed—with a partner or solo—boosts sleep quality and syncs your REM cycles. Study: Sleep on it: A pilot study exploring ...