Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
You burn more calories sleeping than you do watching television.
348
Those who get out of bed by 7am are more likely to be thinner and happier.
20
The average cat sleeps about 2/3 of the day.
203
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12