Last night i wasn't doing anything physical and i was lying down to go to sleep when my heart started pounding. I could feel my heart beating in my chest and kinda in my neck. (which weirded me out) I didn't have any pain. but it lasted for about a half an hour. I also think my heart was beating irregularly for the half hour. My family also said that i looked kinda sick. Like my face was red. I don t believe there is any history of heart problems in my family and i m much to young to be having heart trouble. So what could this have been? should i be worried ?