Aztec Sacrifice

AMG promo:

The film stars Evret Lee Jackson who picks up a book on Aztec culture at the library, take it home, showers and prepares for bed and lies down to read his book. He falls asleep and begins to experience a weird nightmare. He is a prisoner of the Aztecs. They anoint him with oils and strap him down to an alter, but instead of cutting his heart out, they bring in a huge snake and let it crawl over over his body. Just as they are about to force the snake into his mouth he awakens to find that his room mate's snake has gotten loose and is actually crawling in his bed. He and his room mate pet the snake and laugh at the incident.