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Effectiveness of Cognitive Behavioural Therapy to Improve Sleep Outcomes in Patients with Schizophrenia: A Systematic Review of Randomised Control Trials

Insomnia that could impair our social, personal, psychological, emotional and educational/professional functioning partially or fully is very common among patients of schizophrenia; and the schizophrenic symptoms associated with sleep disturbance, exacerbate on withdrawal of antipsychotic treatment. It is estimated that about 80% of people with psychosis also experience sleep disruptions and mostly suffer from chronic insomnia. In this context, cognitive behavioural therapy (CBT) is considered the most structured and beneficial technique to deal with insomnia in psychosis. However, due to the difficulties involved in the procedure, patients in the United Kingdom are still not receiving the optimum therapy from professionals. Thereby, this systematic review on CBT’s effectiveness to improve sleep quality for patients with schizophrenia was carried out. It aims to explore the challenges one could face while adapting CBT for insomnia symptoms among psychotic patients and improve the interventions adaptability among psychotic patients. This review also explores the mechanisms and the contexts under which CBT helps improve patients’ sleep quality (primary outcome) and psychological/emotional well-being (secondary outcome).