Psychosis Mental and Behavioural Disorders Unspecified organic or symptomatic mental disorder
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. A current delusion and/or hallucination; scoring at least 2 on the distress scale of the PSYRATS for either a delusion or hallucination 2. The delusion and/or hallucination has persisted for at least three months 3. Clinical diagnosis of schizophrenia, schizoaffective disorder or delusional disorder (i.e. diagnosis of nonaffective psychosis (F2) in the International Classification of Diseases and Diagnostic and Statistical Manual IV) 4. Sleep difficulties lasting one month or longer and an Insomnia Severity Index score of 15 or above 5. Aged between 18 and 65 6. Where changes in medication are being made, entry to the study would not occur until at least a month after stabilisation of dosage 7. Male or female participants
Exclusion criteria
Exclusion criteria: 1. Sleep apnoea 2. A primary diagnosis of alcohol or substance dependency 3. Organic syndrome or learning disability 4. A command of spoken English inadequate for engaging in therapy 5. Currently having individual CBT (though previous CBT experience is not an exclusion criterion)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Insomnia Severity Index measured at 0,12, and 24 weeks | — |
Secondary
| Measure | Time frame |
|---|---|
| Psychotic Symptoms Rating Scale measured at 0,12, 24 weeks | — |
Countries
United Kingdom