A down-on-his-luck newsman, Phillip Werris, checks into a flea-bag hotel with his wife Jan, where he finds a manual on how to prospect for gold. That night while sleepwalking, Phillip types a short story that features the author of the manual and his brother.
https://www.imdb.com/title/tt0507770/?ref_=fn_al_tt_1

This video is in the Public Domain.