The Effectiveness of Individualized Imagery Scripts on Sleep, Psychosis, and Suicidality Among Inpatients With Psychosis

Inclusion Criteria: * primary diagnoses of schizophrenia spectrum disorder or mood disorder with psychotic features, as determined by the treatment team or record review * capacity to consent to the study as determined by licensed psychologists ( or the primary attending psychiatrist * reported sleep dysfunction which will be determined by a subthreshold or more severe score ≥ 8 on the Insomnia Severity Index (ISI), and/or report experiencing nightmares at least once a week. Exclusion Criteria: * primary substance- or medical-induced psychosis * intellectual and developmental disabilities * neurodegenerative cognitive disorders * implanted devices (e.g., Pacemakers) * on one-to-one supervision or 15-minute safety checks for suicidality or aggression * patients with roommates that are on 15-minute checks to minimize impact on study participants' awakenings