KERA | By Krys Boyd, Published June 29, 2021 at 4:00 PM CDT Shutterstock / A four-day work week might sound crazy, considering half of full-time American employees already work beyond 40 hours per week and are constantly reminded of emails on their phones and computers. But as American workers are returning to the office, many are rethinking how they do their jobs — which includes how much they work.