The strangers in your dreams are actually people that you've seen in real life.
50
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
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Termites work 24 hours per day and they do not sleep.
57
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
The human brain is more active during sleep than during the day.
28