Writer-director Nora Ephron’s popular 1993 film is a real charmer, a romantic comedy about an ultimate long-distance relationship. The “Sleepless” lovers--Tom Hanks as Sam, an insomniac Seattle widower-architect, and Meg Ryan as Annie, a Baltimore journalist--not only live in different cities on different coasts, they don’t even know each other. They connect through a national call-in radio show. Ephron’s take on talk-radio makes her film contemporary but she also returns us to the great days of the American romantic comedy. With Ross Malinger as Sam’s tug-at-our-hearts son, Jonah (TMC Thursday at 11:20 a.m., Friday at 4:35 a.m.).