July 5, 2017 5:33 pm Apps to Help You Sleep Better Millions of people in the U.S. have trouble sleeping. There are apps for that. Lynda Baquero reports. US & World Videos 1:49 Finalists in math competition hope their model helps ease housing crisis 14:31 @Issue extra: Seth Moulton on pro-Palestinian protests, TikTok and more 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses