The strangers in your dreams are actually people that you've seen in real life.
50
Those who get out of bed by 7am are more likely to be thinner and happier.
20
47% of people have a nightmare at least once a month.
186
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
You forget 90% of your dreams.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
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