Night Terror: These Men Claim to Have Attacked While Sleeping

A husband claims he took too much cold medicine and woke up to find his wife stabbed to death. Matthew Phelps claimed the medication may have something to do with how his wife, Lauren, ended up with more than 100 stab wounds. He may have something in common with other men who have stood trial for the murders of their partners, all of them claiming to have killed while they were sleeping. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.