Sea otters hold hands while sleeping so they don’t drift away from each other.
104
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Bats sleep 18-20 hours per day.
5
You burn more calories sleeping than you do watching television.
348
Those who get out of bed by 7am are more likely to be thinner and happier.
20