A recent article from Dzone highlighted how overwork can lead to Chronic stress. The workaholic nature of IT coupled with a culture that deems late night hacking a good thing can cause problems IT workers, and the list of systems lines up perfectly with many experienced coders.
(Score: 2, Informative) by Anonymous Coward on Friday June 13 2014, @02:22PM
Here is a related article about how how sleep deprivation contributes to startup failures.
http://www.forbes.com/sites/michaelthomsen/2014/03/27/how-sleep-deprivation-drives-the-high-failure-rates-of-tech-startups/ [forbes.com]