Why 4 a.m. Is the Most Productive Hour: From the Wall Street Journal: “Most people who wake up at 4 a.m. do it because they have to—farmers, flight attendants, currency traders and postal workers. Others rise before dawn because they want to.” Not up for rising before the sun? Learn from this: “One of the most common challenges to productivity, Dr. Davis says, is that people booby trap their offices with distractions: Desk clutter, email pop-ups, cellphone, Facebook, news feeds. “By waking up at 4am, they’ve essentially wiped a lot of those distractions off their plate. No one is expecting you to email or answer the phone at 4am. No one will be posting on Facebook. You’ve removed the internal temptation and the external temptation.” If you’re not a journal subscriber, you canread the piece at the Australian without a pay wall, though the WSJ’s clip art is vastly better.