THE COMPLEX RELATIONSHIP BETWEEN INSOMNIA AND POST-TRAUMATIC STRESS DISORDER (PTSD): A SYSTEMATIC REVIEW
Main Article Content
Keywords
Post-Traumatic Stress Disorder(PTSD), Insomnia, quality of life
Abstract
Background: Post-Traumatic Stress Disorder (PTSD) and insomnia frequently co-occur, complicating both diagnosis and treatment. Insomnia, a common complaint in individuals with PTSD, exacerbates daytime dysfunction, impairs recovery, and reduces the overall quality of life.
Objectives: This systematic review aims to:
- Assess the prevalence of insomnia in individuals with PTSD across different populations.
- Identify key factors associated with the co-occurrence of insomnia and PTSD.
Methods: A comprehensive literature search was conducted using databases including PubMed, PsycINFO, and Web of Science. Studies were selected based on their exploration of the relationship between PTSD and insomnia. Inclusion criteria encompassed peer-reviewed studies in adults that examined both conditions, using either cross-sectional or longitudinal designs
Results: The prevalence of insomnia in PTSD patients was consistently high, ranging from 50% to 90%, with variations across trauma types and comorbidities. Factors such as symptom severity, trauma exposure, and the presence of anxiety or depression were found to significantly influence insomnia. Key mechanisms proposed to explain the relationship include heightened hyperarousal, circadian rhythm abnormalities, and trauma-related fear conditioning.
Conclusion: Insomnia plays a critical role in perpetuating PTSD symptoms, and its treatment may improve both sleep and PTSD outcomes. Further research should explore targeted interventions, such as cognitive-behavioral therapy for insomnia (CBT-I), in the management of comorbid insomnia and PTSD.
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