Background: Insomnia and sleepiness affect overall work performance. This study assessed Shift Work Disorder (SWD) and socio-demographic predictors of SWD among nurses in selected tertiary hospitals in Southwestern Nigeria. Methods: A cross-sectional design was adopted, 422 nurses were selected using a multi-stage sampling technique. Data were collected using a structured questionnaire and analyzed using SPSS version 20. Results: Findings showed that the prevalence of insomnia was 52.4%, prevalence of significant sleepiness was 46.7%, while the prevalence of symptoms indicative of SWD was 49.6%. The study found associations between marital status and shift work disorder (P < .05), tertiary education and shift work disorder (P < .05), work experience > 10years and shift work disorder (P < .05), respondents working in Surgical ward and shift work disorder (P < .05). Conclusion: Symptoms of SWD is prevalent among nurses and is significantly associated with some socio-demographic characteristics of nurses.
Keywords: Insomnia, Nurses, Shift Work Disorder, Significant Sleepiness
