Ever wondered how some animals manage to survive without the luxury of a good night's rest while we humans desperately need ...

Explore giraffes’ unique sleep patterns—standing rest, rapid REM, and how vigilance keeps them safe from predators.

Sleep is one of nature's greatest mysteries, and while we humans aim for seven to nine hours a night, some animals take it to ...

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 ...

This article originally appeared in Knowable Magazine. Young jumping spiders dangle by a thread through the night, in a box, in a lab. Every so often, their legs curl and their spinnerets twitch — and ...

Max Genecov is a doctoral candidate in clinical psychology at the University of Pennsylvania, a dad, and a stuffed animal owner. “I’ve always had them growing up, I had a big fantasy life with them ...

Simon Fraser University provides funding as a member of The Conversation CA. Simon Fraser University provides funding as a member of The Conversation CA-FR. Sharks used to figure prominently in my ...

At the moment, the feature requires users to have Fitbit Premium, but not all subscribers can see them yet because it is still in beta version, according to ...

Fitbit is launching a new Sleep Profile feature for premium members that will categorize users as one of six animal characters, the company announced today. Users are grouped based on 10 sleep metrics ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Max Genecov is a doctoral candidate in ...