- When Sleeper was being produced, Dr Asimov refused the position of "technical director" and recommended Ben Bova instead.
- AFI's 100 Years 100 Laughs: #80
- Completely Different Title: After the movie was released in French-speaking Canadian regions as Woody and the Robots, Woody Allen inserted a clause in all of his subsequent contracts that his movies' titles could not be changed by other parties.
- Deleted Scene: According to editor Ralph Rosenblum, Woody Allen filmed and then deleted a fantasy sequence in which Miles plays a game of chess with life-sized chess pieces, and is then sentenced to death by the chess pieces after he loses the game. Another cut scene had Miles doing magic tricks to impress Luna.
- He Also Did: Joel Schumacher is the costume designer on this movie, he would go on to direct the awful Batman & Robin and the much better film Phone Booth.
- Science Marches On: Parodied. Miles wakes up in 200 years to discover, among other things, that wheat germ is bad for you and deep fat, steak, cream pies, and hot fudge were health food and cigarettes were the healthiest thing on the planet.
- Uncredited Role: Comedic character actor George Furth makes and uncredited appearance as one of the guests at Luna's party. Furth, who was Jewish is wearing an inverted Nazi Swastika on his chest, which he contrasts by wearing a Tallit, a traditional Jewish prayer shawl complete with fringes, over it.
- What Could Have Been: The film was orginally a three-hour epic with the first half set in the present. Woody Allen eventually decided only the second half was worthwhile.
Trivia / Sleeper