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Thirty-Third Annual Meeting of the Society for Research in Psychopathology

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55. Sleep Problems Relation to Positive and Negative Symptoms in a Transdiagnostic Sample of Persons with Psychosis

Thirty to eighty percent of persons with psychotic disorders experience sleep problems, which have been associated with increased severity of psychiatric symptoms, decreased treatment compliance, and relapse into psychosis. Few studies have investigated the association between specific symptoms of psychosis and sleep problems. Most of those studies have focused only on positive symptoms; therefore, less is known about the association between sleep problems and negative symptoms.

The current study will examine the relation between sleep disturbances, sleep impairment, and positive and negative symptoms in a transdiagnostic sample of persons with psychosis. Preliminary results (N = 80) indicate that increased positive symptoms from the Brief Psychiatric Rating Scale were associated with increased sleep disturbances (r = .31, p = .01), and greater sleep related impairment (r = .38, p = .01). Results from the Clinical Assessment Interview for Negative Symptoms showed that higher motivation and pleasure deficits were related to increased sleep disturbances (r = .31, p = .01) but not greater sleep-related impairment (r = .22, p = .05). Greater expressivity deficits were related to both increased sleep disturbances (r = .24, p = .03) and greater sleep-related impairment (r = .26, p = .02). Results indicate that sleep problems have a broad impact on symptomatology within a transdiagnostic sample.

Christina Savage
University of Maryland, College Park

Alexandra Andrea
University of Maryland, College Park

Ryan Orth
University of Maryland, College Park

Melanie Bennett
University of Maryland School of Medicine

Jack Blanchard
University of Maryland, College Park

 


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