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Updated: Jul 3, 2026

Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats
Published on: March 17, 2019
Facets of impulsivity are differentially linked to insomnia: evidence from an exploratory study
Ralph E Schmidt1, Philippe Gay, Martial Van der Linden
1Cognitive Psychopathology and Neuropsychology Unit, Department of Psychology and Swiss Center for Affective Sciences, University of Geneva, Switzerland. ralph.schmidt@pse.unige.ch
Abstract:
This study investigated the association between insomnia and four facets of impulsivity as distinguished by Whiteside and Lynam (2001): urgency, (lack of) premeditation, (lack of) perseverance, and sensation seeking. A sample of 233 university students completed the UPPS Impulsive Behavior Scale, the Insomnia Severity Index, and a short questionnaire on sleep-related mentation. Correlational analyses revealed that urgency was related to insomnia severity and insomnia-related impairments in daytime functioning, and that lack of perseverance was related to insomnia-related impairments in daytime functioning. Follow-up analyses showed that the frequency of disturbing thoughts and visions during the pre-sleep period partially mediated the relation between urgency and sleep-initiation problems, and that the frequency of disturbing dreams and nightmares partially mediated the relation between urgency and sleep-maintenance problems. These findings suggest that the facets of impulsivity are differentially linked to insomnia and that urgency is associated with sleep-interfering nighttime mentation.
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