Study: After Hours Work Emails, Calls Hurt Next Day Productivity

A pair of studies surveying a broad spectrum of U.S. workers found that people who monitored their smart phones for business purposes after 9 p.m. were more tired and less engaged the following day on the job, Natalie Nyhus reports (2:30). <br><br><em>WCCO This Morning - March 26, 2014</em><br />