If you hold farts in during the day, they'll just come out when you sleep.
16
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
People who sleep late have more mental stamina and can outperform early risers.
33
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28