Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The skin on your lips is 200 times more sensitive than your fingertips.
345
The human brain is more active during sleep than during the day.
28
The average office desk has 400 times more bacteria than a toilet.
22
The human brain is insensitive to pain.
76
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
By the age of 60, most people have lost 50% of their taste buds.
17
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38