Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
44% of kids watch television before they go to sleep.
106
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
You burn more calories sleeping than you do watching television.
348
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12