When your dog is sleeping on their side, it usually means they're dozing. This position indicates they feel safe enough to ...

Dominant baboons sleep less at night, as social rank keeps leaders more alert and prone to nighttime disruptions.

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 ...

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 ...

Having a bedtime routine helps us settle down for the night, bringing a sense of comfort and coziness that eases us into sleep. Our dogs are also creatures of habit, often making themselves at home on ...

What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human animals know from experience that we need to sleep, and that the longer we go ...

For humans, sleep is necessary to recharge our bodies and minds. But did you know that not all animals sleep the way we do? Some animals hardly rest, while others never really sleep at all! This might ...