“Scientists can’t yet fully explain why evening types appear to be more creative, but they suggest it could be an adaptation to living outside the norm.
“Being in a situation which diverges from conventional habit, nocturnal types often experience this situation, may encourage the development of a non-conventional spirit and of the ability to find alternative and original solutions””
Though I don’t like the last sentence: “One could reasonably envision a link between the personality trait of extroversion and the finding of creativity,” Van Dongen says.
ABC