The strangers in your dreams are actually people that you've seen in real life.
50
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
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
Lack of water is the #1 trigger of daytime fatigue.
148
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15