The average person falls asleep in seven minutes.
115
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Dieters who sleep more take off more fat that those who sleep less.
159
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
47% of people have a nightmare at least once a month.
186
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28