Sleeping from 5-midnight is taking the "early to bed, early to rise" thing a little too seriously. Napoleon woke at 4am each morning to get the jump on everyone

Sleeping from 5-midnight is taking the "early to bed, early to rise" thing a little too seriously. Napoleon woke at 4am each morning to get the jump on everyone else, but that didn't help him in the end. I think that the most natural thing is to (1) sleep when it gets dark and wake when it's light, and (2) not live to close to the parts of the world where that doesn't work because of the length of days and nights.