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
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
47% of people have a nightmare at least once a month.
186
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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