Dieters who sleep more take off more fat that those who sleep less.
159
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Bats sleep 18-20 hours per day.
5
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
You burn more calories sleeping than you do watching television.
348
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33