Seems to be more common in engineers, and "smarter people," of which I argue are a larger-than-average makeup of the HN population: http://elitedaily.com/life/

Seems to be more common in engineers, and "smarter people," of which I argue are a larger-than-average makeup of the HN population: http://elitedaily.com/life/culture/night-owls-creative-intelligent/686025/ http://elitedaily.com/life/culture/night-owls-creative-intel...