Overworking yourself will not bring you happiness. It is not something to be proud of or something to brag about. No one at their end of their life thinks I wish I had spent more time preparing for that presentation! In fact, workers who work more than eleven hours a day have a higher risk of depression than those who work a standard seven- or eight-hour day. Want to know what overworking will get you? Sick, stressed, off-balance, disengaged, and less smart. In a study using MRI scans, re- searchers at Yale found that people who felt stressed out on a regular basis had smaller brain volumes than less stressed-out subjects.