sleepwalking | definition

(also, somnambulism) sleep disorder in which the sleeper engages in relatively complex behaviors


Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020). Psychology 2e. Houston, Texas: OpenStax. Access for free at


Research Article: Prevalence of Sleepwalking: A Systematic Review and Meta-Analysis

Date Published: November 10, 2016 Publisher: Public Library of Science Author(s): Helen M. Stallman, Mark Kohler, Ana Paula Arez. Abstract: Sleepwalking is thought to be a common arousal disorder; however, the epidemiology of this disorder has not yet been systematically examined. A systematic search of MEDLINE, CINAHL, EMBASE, PsycINFO, PubMed, and ScienceDirect was conducted … Continue reading

Research Article: Increased Reward-Related Behaviors during Sleep and Wakefulness in Sleepwalking and Idiopathic Nightmares

Date Published: August 19, 2015 Publisher: Public Library of Science Author(s): Lampros Perogamvros, Kristoffer Aberg, Marianne Gex-Fabry, Stephen Perrig, C. Robert Cloninger, Sophie Schwartz, Raffaele Ferri. Abstract: We previously suggested that abnormal sleep behaviors, i.e., as found in parasomnias, may often be the expression of increased activity of the reward system during sleep. Because … Continue reading

Research Article: Evidence for the Re-Enactment of a Recently Learned Behavior during Sleepwalking

Date Published: March 21, 2011 Publisher: Public Library of Science Author(s): Delphine Oudiette, Irina Constantinescu, Laurène Leclair-Visonneau, Marie Vidailhet, Sophie Schwartz, Isabelle Arnulf, Adrian Thomas. Abstract: Animal studies have shown that sequenced patterns of neuronal activity may be replayed during sleep. However, the existence of such replay in humans has not yet been directly demonstrated. … Continue reading

Research Article: Sleep Deprivation Reveals Altered Brain Perfusion Patterns in Somnambulism

Date Published: August 4, 2015 Publisher: Public Library of Science Author(s): Thien Thanh Dang-Vu, Antonio Zadra, Marc-Antoine Labelle, Dominique Petit, Jean-Paul Soucy, Jacques Montplaisir, Raffaele Ferri. Abstract: Despite its high prevalence, relatively little is known about the pathophysiology of somnambulism. Increasing evidence indicates that somnambulism is associated with functional abnormalities during wakefulness and that … Continue reading

Research Article: Sleep-Related Declarative Memory Consolidation and Verbal Replay during Sleep Talking in Patients with REM Sleep Behavior Disorder

Date Published: December 13, 2013 Publisher: Public Library of Science Author(s): Ginevra Uguccioni, Olivier Pallanca, Jean-Louis Golmard, Pauline Dodet, Bastien Herlin, Smaranda Leu-Semenescu, Isabelle Arnulf, Friedemann Paul. Abstract: To determine if sleep talkers with REM sleep behavior disorder (RBD) would utter during REM sleep sentences learned before sleep, and to evaluate their verbal memory … Continue reading