As others have been saying, the "prolific programmers" have a passion to program that doesn't get satisfied by coding from just 9 to 5. Personally I tend to have waves of intense programming around the clock followed by a cooling down period with either part of the cycle lasting days to weeks. Sorry for the shameless self plug but you should start small and try making a "One Hour Side Project" http://kolodny.github.io/blog/blog/2015/03/03/the-one-hour-s...