There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
47% of people have a nightmare at least once a month.
186
The human brain is more active during sleep than during the day.
28
Termites work 24 hours per day and they do not sleep.
57