New research debunks the notion that chronotype is a binary choice between "morning people" and "night owls." It also shows that a substantial number of people, if not an outright majority, are not energetic in the morning. It's time to end the tyranny of early birds.
A lot of my time -- a lot more than writing on most days -- is spent reading. Here are a few articles I came across this week where the author said it all. So rather than providing a rewrite, here are the primary sources.