The 8-hour work day, weekends, time off—hard-fought and won by the labor movement!—seem to have been triumphs for human health and well-being. Why should we assume that stopping here is right? Why should we assume that less work was better in the past, but less work now would be worse?

As if to rub it in, some anthropologists tell us that thousands of years ago people had much more time available to them than their hunting, gathering and child-rearing required. Three or four hours of work a day paid the bills, so they had a lot of downtime. Then came agriculture, and eventually industrialization, and somehow these helpful... See more