Study of insomnia and associated factors in traumatic brain injury

Abstract Objectives This study is designed to investigate prevalence and risk factors of insomnia in TBI. This study has also tried to explore the connection between insomnia with neuroanatomical localization of TBI as well as depression. Design Prospective study. Materials and methods All eligible participants were evaluated initially after two week interval for first 4 weeks and monthly interval subsequently till one year. Demographic and injury characteristics of the participants were assessed on a self-designed semi structured performa. Interviews focused on assessment of severity of TBI, insomnia and depression using GCS, ISI and PHQ-9 respectively. Results Total 204 patients were included, mean age was 33.34 years. 40.2% participants were found to have insomnia. None of the demographic variables were associated with insomnia except severity and duration of TBI. Moderate TBI patient (70.73%) had significantly higher occurrence of insomnia than the mild cases (19.67%) ( P  = 0.000, df 1). First three month after TBI witnessed more than half (63.41%) of those patient who had insomnia. This was found statistically significant ( P Conclusion Insomnia is a prevalent condition after TBI requiring more clinical and scientific attention as it may have important repercussions on rehabilitation.