47% of people have a nightmare at least once a month.
186
The average person falls asleep in seven minutes.
115
The strangers in your dreams are actually people that you've seen in real life.
50
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
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
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6