The average cat sleeps about 2/3 of the day.
203
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The strangers in your dreams are actually people that you've seen in real life.
50
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
You forget 90% of your dreams.
256
47% of people have a nightmare at least once a month.
186
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13