19% of happy workers said they feel burned out. Unhappy Workers Put In More HoursWorkers who said they were unhappy reported working about three more hours each week than happy workers. Get our free mobile appLife Outside of Work Makes a DifferenceThe survey found that happy workers are more likely to stay involved in their communities. Over 75% of unhappy workers said the news increases their stress level, compared to 60% of happy workers. What Makes Workers Happy?