December 13, 2013 8:36 am Ask Dr. Bruce: Getting a Good Night Sleep & Vitamin D Dr. Bruce Hensel answers viewers’ questions about getting a good night sleep and Vitamin D in a report for the NBC4 News at Noon on Dec. 12, 2013. US & World Videos 2:42 Executive staff to LA County DA accused of mishandling confidential police files 2:58 UC Irvine students launch solidarity encampments 2:36 Student's mother tries to stop vandalism at USC 3:45 Walkout supporting pro-Palestinian protesters at UCLA 0:14 7 injured in officer-involved crash in Hollywood