Sleep is important for everyone, but some animals take it to a whole new level. While humans usually need around seven to ...

Some animals have earned a reputation for laziness because they seem to sleep a lot, but there are reasons to take frequent naps. Some are slow to digest food, want to conserve energy, or they may ...

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

They identified two states: a “normal” one and a quiet state. When they were in this quiet state, the jellyfish were much ...

If you watch your furry friend, or really, any animal, at any given moment, they’ll either look silly, adorable, or downright hilarious…even when they’re fast asleep. There’s something about the way ...

If you ever think there aren't animals of every kind who need to be rescued, please think again. Most people see dogs and cats in shelters all the time, but those are just the shelters you visit.

The benefits of sleep may be more universal than we thought. We know it helps clear waste from the brain in humans, and now ...

If you watch your furry friend, or really, any animal, at any given moment, they’ll either look silly, adorable, or downright hilarious…even when they’re fast asleep. There’s something about the way ...

Every animal with a brain needs sleep - and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

Animals that hibernate in winter use fascinating survival strategies. Discover 7 famous creatures, from bears to frogs, that ...