Ever wondered how some animals manage to survive without the luxury of a good night's rest while we humans desperately need our eight hours? The animal kingdom is packed with creatures that seem 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 ...

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 ...

Domestic cats aren’t truly nocturnal. In fact, they are crepuscular. This article explores the science behind feline ...

Taylor worked with AP from 2018 to 2025, most recently as Google Editor. If you use a fitness tracker or smartwatch from one of a few prominent manufacturers — Google, Samsung, or Xiaomi — you've ...

It is generally recommended that people get about eight hours of sleep each night. Of course, some people thrive on less, and some people need more to feel their best. Whatever your particular needs, ...

It's estimated that on average, dogs sleep around 12-14 hours a day. Of course, many variables can influence how much sleep any individual dog gets and needs, including the activity of people and ...

Ever seen a cat run in its sleep? Learn how feline sleep cycles and REM dreaming cause those funny paw flicks and twitching legs.