Sleeping is time consuming --- an average person will spend 25 years asleep
Cats spend 66% of their life asleep
Sleeping burns more calories than watching TV
40% of American adults still sleep with a teddy bear.
Sea otters hold each other’s paws while sleeping so they don’t drift apart.
You can't sneeze while sleeping.
Two-thirds of millennials go to sleep naked.
Dolphins sleep with one eye open
Dolphins must keep conscious when sleeping. Their breathing is not automatic so they would drown if they lost consciousness.
People who sleep for less than six hours a night are 12 percent more likely to die prematurely than those who get the recommended 6-8 hours.
The sudden falling sensation you might experience when falling asleep is called a 'hypnic jerk'.
According to research done by Aric Prather, assistant professor of psychiatry at The University of California, you are four times more likely to get a cold if you get less than six hours of sleep per night.
Giraffes barely sleep -- they only need 5 to 30 minutes of sleep in a 24-hour period.
Sharks are unable to stop moving even when sleeping or resting
Albatross can sleep while flying
Koalas can sleep up to 22 hours a day
Ferrets sleep between 18 - 20 hours a day
Seals sleep only one and a half minutes at a time.
Sleeping under a weighted blanket can reduce feelings of depression, anxiety, and fight insomnia.
Hypersomnia' is a condition where a person can sleep for 12 to 15 hours but still wake up feeling tired.