Lack of water is the #1 trigger of daytime fatigue.
148
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Bats sleep 18-20 hours per day.
5
44% of kids watch television before they go to sleep.
106
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
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