Sleepwalking is a 2008 American drama film starring Nick Stahl, AnnaSophia Robb, Charlize Theron (who also produces the film), Woody Harrelson and Dennis Hopper. It centers on the bonding of a 30-year-old man and his 12-year-old niece after she is abandoned by her mother. The girl is taken in by the state after he loses his job and apartment. The two then depart on a road trip to his father's farm, a place he and his sister never intended to go back to. Sleepwalking was an original screenplay by Zac Stanford and was the directorial debut of William Maher.

Shooting began in October 2006 in Moose Jaw and Regina, Saskatchewan, Canada under the working title Ferris Wheel. It was filmed on a 30-day shooting schedule, often under sub-zero conditions. The film featured the song "Come On, Come Out" by A Fine Frenzy. It premiered at the Sundance Film Festival on January 22, 2008, and was given a limited release in theaters beginning on March 14, 2008.