Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You forget 90% of your dreams.
256
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
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