44% of kids watch television before they go to sleep.
106
Cows can sleep standing up, but they can only dream lying down.
745
Bats sleep 18-20 hours per day.
5
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
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
You burn more calories sleeping than you do watching television.
348