Do you find yourself working weekends? Cancelling vacations because of last minute projects? Skipping birthdays? If that's you, you're not alone. More than 40% of american workers who get paid time off left about 3.2 days unused in 2013. While taking time off hase significant health benefits, a new study from Oxford Economics, finds that skipping your vacation days may actually harm the U.S. economy. TheStreet's Ruben Ramirez speaks with Oxford's Adam Sacks.