The human brain is more active during sleep than during the day.
28
Yawns are more contagious among people with closer relationships.
163
A person can live without food for about a month, but only about a week without water.
156
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The human sigh acts as a physiological reset button.
23
Babies crawl an average of 200m a day.
212
The human brain uses approximately as much energy as a 10 watt light bulb.
120