Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The average cat sleeps about 2/3 of the day.
203
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The strangers in your dreams are actually people that you've seen in real life.
50