Sleepwell was a reccuring prop in HHN, starting in 2007. But, that was the only year in which it played a major in one of the houses, A Nightmare on Elm Street: Dreamwalkers, as a drug protecting people from Freddy's nightmares. Apparently, Freddy has broken through the drug's barrier.
- A Nightmare on Elm Street: Dreamwalkers (2007)
- Reflections of Fear (2008)
- The Spawning (2009)
- PsychoScareapy: Echoes of Shadybrook (2010)
- In The Spawning, the drugs were on the desk of the water plant manager, in his office.