I know it's a bit counter productive to post in the LOUNGE about procrastination but I figured it might help some people.
Scientific American Mind
One of the reasons for procrastination:
...A third oft-cited explanation for unreasonable delay is arousal. The “arousal procrastinator” swears that he works best under pressure, loving—perhaps needing—the rush of a last-minute deadline to get started. Such a person believes procrastinating affords a “peak” or “flow” experience, defined by psychologist Mihály Csíkszentmihályi of the Drucker School of Management at Claremont Graduate University as being completely involved in an activity for its own sake. Time disappears. The ego dissolves...