Anthropologist and author David Samson examines how the story of human sleep unfolded in his new book, “The Sleepless Ape.” ...

Add Yahoo as a preferred source to see more of our stories on Google. A painting of a woman waking up. The wild thing about Ekirch’s study was that the evidence of biphasic sleep was staring us in the ...

Identifying the mutations that underly unusual sleep traits can provide insights into the biology of sleep and circadian function in humans. In the 1990s, a woman approached sleep neurologist ...

Circadian rhythms are endogenous 24-hour cycles that orchestrate physiological processes and behaviour, most notably the timing of sleep and wakefulness. These rhythms are generated by a master ...

Before electricity and endless screen time took over, humans followed a very different rest routine. In the pre-industrial world, people didn’t sleep in one uninterrupted stretch but in two distinct ...

Researchers led by Aurore Perrault at Concordia University, Canada and Valeria Kebets at McGill University, Canada, have used a complex data-driven analysis to uncover relationships among multiple ...

Unhealthy sleep patterns and shorter sleep duration are correlated with increased obesity risk in American adults. Sleep pattern scoring provides a more comprehensive predictive indicator for obesity ...

Humans are way more efficient than other primates in one surprising area–sleep. Whereas we need only around seven hours per night to keep our brains ticking over smoothly, some lazy lemurs and idle ...