Night owls have more psychopathic tendencies than those who sleep early.
Pulling an all-nighter causes your body to burn about 135 extra calories.
Night owls tend to be more intelligent and more prolific lovers. However, they're more prone to bad habits than people who typically wake up early and tend to be less happy.
The Sleepless Elite2% of the population who can pull of being both night owls and early birds simultaneously.
A surprisingly common gene mutation causes 'night owl' syndrome, a sleep phase disorder. People with this condition can't fall asleep until late at night (often after 2 a.m.) and struggle to get up in the morning.
People who stay up later tend to be more psychopathic than those who go to bed early.
While people who stay up later are likely to be more intelligent, they are also more likely to have vivid nightmares.