There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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 forget 90% of your dreams.
256
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
"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
Dieters who sleep more take off more fat that those who sleep less.
159