Add Yahoo as a preferred source to see more of our stories on Google. Sleep is a central and only moderately understood part of being human, but we’re far from the only organisms who sleep. The more ...

The naps last for only around 4 seconds at a time, researchers said Nicholas Rice is a Senior News Editor, Weekends for PEOPLE Magazine. He began working with the brand as an Editorial Intern in early ...

Anyone who has ever been deeply sleep-deprived is probably familiar with microsleep. Microsleep occurs when you fall asleep for only a few seconds. For humans, these are involuntary sleep bursts ...

It's a challenge for all new parents: Getting enough sleep while keeping a close eye on their newborns. For some penguins, it means thousands of mini-catnaps a day, researchers discovered.Chinstrap ...

Just north of the Antarctic Peninsula, there’s a small, ice-covered island shaped like an elephant’s head. Each year, despite brutal winds and a landscape of crags, cliffs, and glaciers, hundreds of ...

Chinstrap penguins are exquisitely adapted to their environment. They live and breed in some of the world’s harshest conditions, nesting in the windblown, rocky coves of the Antarctic Peninsula, a ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

The art of nodding off appears to have been mastered by breeding chinstrap penguins, who take more than 10,000 naps a day, with each nap lasting an average of four seconds, according to a new study.