Close The Science Behind Why Yawning Is Contagious Whether you're tired bored or see someone else do it, we all yawn. Angeli Kakade (@angelikakade) has the story. WHAS 8:56 AM. EDT September 01, 2017 TRENDING VIDEOS LMPD officer injured responding to shooting Mom set to lose thousands over LuLaRoe issues Woman charged in deaths of her children after train accident NC teacher's hand-washing experiment goes viral NOW: LulaRoe or LulaNO? Kaitlynn's Overnight Weather Forecast Annual Muhammad Ali Humanitarian Awards Experts warn of phony calls to steal money Victory Park shooting victim identified Heather Heyer's mom to accept award on her behalf More Stories President Trump coming to Indy area Wednesday to… Sep 23, 2017, 8:57 p.m. Indiana lawmakers seek to halt new graduation guidelines Sep 24, 2017, 11:09 a.m. Heather Heyer Headlines Muhammad Ali Humanitarian… Sep 23, 2017, 11:59 p.m.