The strangers in your dreams are actually people that you've seen in real life.
50
You forget 90% of your dreams.
256
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Honeybees never sleep.
276
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
Cows can sleep standing up, but they can only dream lying down.
745