 I want to make sure that every student that's using their phone for a medical condition is still protected under those guidelines. In Manassas, Scott Gellman, WTOP News. Americans say they want more vacation time, but they're not using all that they're getting. Many American workers will, of course, be taking some well-earned time off this summer. Or will they? The Center for Economic and Policy Research reports nearly half of all American workers did not take a single vacation day last summer.