We have more than one page that can be referred to as Sleeper.
- If you want the film by Woody Allen, see Sleeper.
- If you want the comic book Ed Brubaker about the sleeper agent with an alien artifact, go to Sleeper (WildStorm).
- If you want the trope dealing with actual sleeper agents, go to Deep Cover Agent.
- If you want the concept of works that slowly become unexpected successes, go to Sleeper Hit.
There's also a band, several other films and a tv series that go by that name. If you are looking for someone who has fallen asleep, you might want to read this.
If an internal link led you here, please change it to point to the specific article. Thanks!