This overwork shows up in our sleep. Out of five developed peers, four other countries sleep more than us. That has again worsened over the years. In 1942, more than 80 percent of Americans slept seven hours a night or more. Today, 40 percent sleep six hours or less. A lack of sleep makes us poorer workers: People who sleep less than seven hours a night have a much harder time concentrating and getting work done.
Perhaps it would be worth all of this if working longer and harder produced better results, fueled the economy, and created wealth for everyone. But that’s not likely. Taking some time off actually improves a worker’s productivity at work. A study from Ernst & Young found that every ten hours of vacation time taken by an employee boosted her year-end performance rating by 8 percent and lowered turnover. Former NASA scientists found that people who take vacations experience an 82 percent increase in job performance upon their return, with longer vacations making more of an impact than short ones. Putting in too many hours, on the other hand, does the opposite. More than 60 hours a week will create a small productivity flurry at first, but it’ll start to decline again after three or four weeks. Other studies have found the same initial burst followed, but a worse decline.
But what is it all for? Americans are working harder but not seeing the fruits of their labor. Workers, white collar and blue collar alike, have seen a decade go by without much of an increase in wages despite their increasing productivity. The infamous one percent have taken home 47 percent of total income growth between 1976 and 2007. Turns out, being “crazy, driven, hard-working believers,” in Cadillac’s words, isn’t working out so well for the 99 percent.
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