> Intensity of focus. Almost all my waking hours were dedicated to programming during the 48 hours of the contest. I even took less sleep. This intensity of focus allowed me to maintain contact with the concepts and issues in the game so that I was able to remain productive without costly ramp-up and ramp-down times.

Makes me wonder if it would make more sense to cram a 40 hour workweek into 3 days instead of 5. I think it'd be more enjoyable as well.