I found this article a very interesting commentary on the environmental impact of overwork and the toll it takes on people.
As it stands, America is the only industrial nation that offers no legal protection for vacations. The average vacation in the United States is now only a long weekend, and 25 percent of American workers have no paid vacation, according to the Bureau of Labor Statistics. Compare that to Sweden, which mandates 32 vacation days per year. President Bush, however, does know the value of vacation time. In 2005, he took five weeks off to visit his Texas ranch, taking the longest presidential retreat in at least 36 years