It was another year before I actually saw the film, but I had my first nightmare about Michael Meyers that night. (My most recent was several weeks ago. Sad, but true.)
(Looking back, I'm still struck by the fact that even when I was a seventh grader, my mother wouldn't let me watch the "filthy" TV show "Three's Company," but psycho killers were just fine.)
PS--Rent Halloween sometime this month.
PPS--Skip all of the sequels to Halloween. Pure trash.
PPPS--Paraskavedekatriaphobia: The fear of Friday the thirteenth