Cows can sleep standing up, but they can only dream lying down.
745
The human brain is more active during sleep than during the day.
28
Lack of water is the #1 trigger of daytime fatigue.
148
Termites work 24 hours per day and they do not sleep.
57
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 strangers in your dreams are actually people that you've seen in real life.
50
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57