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 ...

After analyzing many previous studies on lucid dreaming, researchers have defined it as a state that differs significantly ...

Turtles can slow their hearts down to sleep underwater. Some species of turtles can even breath through their butts!

You're finally asleep after a long day when suddenly, bloodcurdling screams pierce through the baby monitor. You rush to your ...

Honey badgers are not actually named for their love of honey, in fact, they raid bee hives to loot the delicious, ...

You've probably experienced it—your alarm is set for 6:30 a.m., yet somehow your eyes snap open a few minutes before it goes ...

Octopuses can flip from mottled rock to smooth sand in less time than it takes a human to blink, yet their eyes carry only a ...

The most frequently reported reasons for medicinal cannabis use are for pain relief and improvements in sleep. Although ...

White House chief of staff Susie Wiles denied rumors that President Donald Trump is sleeping during important obligations in ...

Many great discoveries have emerged from the "twilight" state between wakefulness and sleep. It's possible to use this state ...