An increasing number of studies show that sleep deprivation causes weight gain, an increase in overuse injuries and a decrease in muscle mass.
Sleep deprivation can trigger powerful changes in how you eat that are akin to the 'marijuana munchies', a study suggests.
Disturbed sleep patterns can impair memory, shrink the brain and raise stress levels, academics have found.
Increasing numbers of viewers are staying up late because they lack the willpower to press the off button.
A study has found that morning people tend to be thinner than night owls.
Research suggests that women are worse sleepers than men.
Millions of years ago, when we were shorter and hairier, a night of uninterrupted sleep was impossible to come by.
Those who cuddle up to their pets at night actually sleep better, according to a research.
Chronic insomnia not only hampers one's ability to function effectively during the day, but can profoundly affect health.