The secret world of animal sleep

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...
AZ Animals on MSN

Even brainless jellyfish sleep—and it may explain why you need rest too

Sleep is one of life’s most universal behaviors. Despite its ubiquity, it’s also one of the most mysterious. Humans spend ...
Science Daily

For many animals sleep is a social activity, but it's usually studied as an individual process

Group sleeping can impact when animals sleep, how long they sleep for, and how deeply they sleep. For example, groups of meerkats time their sleep according to 'sleep traditions'; olive baboons sleep ...
Euronews

Four-second naps and snoozing in flight: Extreme sleep methods help these animals evade danger

From napping half their brain while flying to taking four-second naps to survive parenthood, these animals have evolved clever ways to catch some shuteye. Every animal with a brain needs sleep - and ...