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164. The Impact of a Simple Behavioral Intervention on Attenuated Psychotic Symptoms in an Undergraduate College Population
Disturbances in sleep may exacerbate psychological disorders and negatively impact health, emotion/mood regulation, cognition, stress response, and attenuated psychotic symptoms (APS). Controlled trials in both clinical and nonclinical populations indicate that effective treatment of sleep disorders reduces psychosis symptoms (e.g., paranoia and hallucinations).
College students (N=122) were randomized to receive instructions either to reduce bedtime phone use (Group AB) or maintain a detailed sleep diary (Group BA) for two weeks in a four-week crossover design. Sleep, psychological issues, and perceived stress outcomes were collected at baseline, crossover, and post-test, via online questionnaires.
Growth curve modeling within a multilevel modeling framework examined whether (i) APS decreased on average over the course of the intervention, (ii) the rate varied across individuals, (iii) the rate was influenced by experimental condition, and (iv) changes in sleep disturbance or perceived stress predicted APS rate of change.
APS significantly systematically declined over the course of the study in both groups (t(120)= -5.769, p<.001) and decreased at a faster rate for those in group BA (χ2(2) = 8.17801, p=0.016). Change in APS did not vary as a function of sleep disturbance or perceived stress. Preliminary results suggest simple behavioral interventions may help reduce APS in college students.