What Staying Up Late Says about Your Intelligence Level
Conscience nocturnalism is a new wrinkle in the evolutionary development of mankind, a traditionally diurnal species.
According to evolutionary psychologist Satoshi Kanazawa, individuals who go to bed and wake up later tend to be more intelligent than those who stick to a more diurnal schedule. Kanazawa reached this conclusion by analyzing data about children's sleep patterns:
"Net of a large number of social and demographic factors, more intelligent children grow up to be more nocturnal as adults than less intelligent children... For example, those with a childhood IQ of less than 75 ('very dull') go to bed around 23:41 on weeknights in early adulthood, whereas those with a childhood IQ of over 125 ('very bright') go to bed around 00:29."
Kanazawa began by forming a hypothesis based on evolutionary precedent: since being a night owl is a break away from the traditional human routine, those who opt for a nocturnal lifestyle are more likely to be brighter than their morning lark peers.
Here is Kanazawa explaining why smart people tend to have more crazy behavior.
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