Journal
PSYCHIATRY RESEARCH
Volume 170, Issue 2-3, Pages 208-211Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2008.09.006
Keywords
Sleep; Nightmares; Suicide attempt
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The aim of this prospective study was to determine if sleep disturbances and nightmares are associated with increased risk of repeat suicide attempt. Patients (n = 165) aged 18-68 years who were admitted to medical or psychiatric wards after a suicide attempt completed an initial interview; 98 of these took part in a 2-month follow-up interview. The Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) and two self-report instruments, the Uppsala Sleep Inventory and the Comprehensive Psychopathological Rating Scale (CPRS) Self-Rating Scale for Affective Syndromes, were administered both at baseline and follow-up. Data concerning repeat suicide attempts within 2 years were obtained from hospital records. Analyses were performed using Student's t-test, chi-square test, and logistic regression. In total 42 patients (26%) made at least one repeat suicide attempt within 2 years. While neither difficulties initiating/maintaining sleep nor early morning awakening at baseline predicted repeat attempt, having frequent nightmares did (OR = 3.15). The risk was further heightened when nightmares were reported at both baseline and 2-month follow-up (OR = 5.20). These associations remained after adjusting for sex. axis-I DSM-IV diagnoses, and self-reported depression and anxiety symptom intensity. Our findings suggest that nightmares might constitute a market for increased risk of suicidal behavior. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
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