What subject of Andy Warhol's film "Sleep" has sat in on  Bernadette Mayer's workshopts?
Bernadette Mayer: Bernadette Mayer (born May 12, 1945) is an American poet, writer, and visual artist associated with both the Language poets and the New York School. John Giorno:  He became prominent as the subject of Andy Warhol's film "Sleep" (1963).
i don't know