When teenagers shift their sleep schedules between school days and weekends, the resulting mismatch can alter the physical ...

It's a commonly held belief that before artificial lighting, human sleep was 'naturally' divided into two distinct periods, but how true is that?

In the 1990s, a woman approached sleep neurologist Christopher Jones at the University of Utah with an unusual complaint. She would fall asleep very early in the evening and wake up for the day at 2AM ...

What do humans have in common with jellyfish and sea anemones? You might be thinking, not a lot, but a new study published in Nature Communications shows they do sleep like us and that sleep has a big ...

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 ...