One study says that people who stay up late have higher IQs than 'morning people.' But night owls may not make smart choices.
Are night owls really more intelligent than morning larks? Does it matter?
He also suggests that this is a relatively new phenomenon in the span of human history. Nocturnal activity was a dangerous thing prior to the advent of fire. He says today's night owls are defying ancestral-genetic tendencies, according to his article in Psychology Today. Kanazawa is also writing a book, scheduled to be published next year, titled: "Escaping Biology: Why Intelligent People Do Unnatural Things."
Kanazawa's research is not conclusive. It simply notes that Americans who go to bed late would appear to have higher IQs than those who go to bed early.
But he doesn't explore whether those night owls do better in school, or in the workplace, or are happier.