Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The strangers in your dreams are actually people that you've seen in real life.
50
Termites work 24 hours per day and they do not sleep.
57
You burn more calories sleeping than you do watching television.
348
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6