A systematic review of the nature and correlates of sleep disturbance in early psychosis

摘要: Summary Sleep disturbances are common in people with a diagnosis of schizophrenia and have been associated increased symptom severity, neurocognitive deficits reduced quality life. Despite significant body literature this field, there has limited investigation sleep disturbance the early course illness. This systematic review aims to synthesise evaluate available data exploring psychosis, two key research questions: 1) What is nature psychosis? 2) correlates From an initial search, 16,675 papers were identified, which 21 met inclusion/exclusion criteria. The preliminary evidence suggests that self-reported prevalent psychosis may be as well elevated rates both help-seeking suicidality. Abnormalities architecture spindles also commonly observed correlate severity deficits. However, due methodological limitations considerable heterogeneity across studies, support reliability these associations limited. We outline agenda, emphasising prospective use gold-standard measurement investigate prevalence how related onset persistence psychotic symptoms.