A survey by the Families and Work Institute found that a third of American workers feel they are overworked. Employees identified several factors necessary to do a good job and, when one of those factors is missing, employees often feel over worked. Overwork contributes to workplace injuries, resentment, and high turnover.
See "Nearly a Third of Workers Say They Feel Overworked", Diane Stafford, The Seattle Times, May 20, 2001