The 40-hour work week 8/20/15
The research is clear: beyond ~40–50 hours per week, the marginal returns from additional work decrease rapidly and quickly become negative. We have also demonstrated that though you can get more output for a few weeks during “crunch time” you still ultimately pay for it later when people inevitably need to recover
Workplaces that require regularly working more than 40 hours a week are hurting their employees and themselves.