Yoga Exercises as a Therapeutic Approach for Adults with Insomnia to Promote better Sleep: A Randomized Control Trial
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Abstract
Background: Insomnia is a prevalent sleep disorder that significantly impacts the quality of life and is associated with various health complications, including high blood pressure, heart disease, diabetes, anxiety, and depression. Traditional treatments for insomnia often involve pharmacological interventions, but there is growing interest in alternative therapies such as yoga. This study investigates the efficacy of yoga as a therapeutic approach to improving sleep quality in adults with insomnia.
Objective: The objective of this study was to evaluate the effects of a structured yoga program on sleep quality and sleep latency in adults diagnosed with insomnia.
Methods: The study employed a cross-sectional design conducted at multiple healthcare facilities, including the Physiotherapy Outpatient Department at Holy Family Hospital, Benazir Bhutto Hospital, and District Headquarters Hospital in Rawalpindi. The study duration was four months, involving 54 participants selected through random sampling techniques. Inclusion criteria included adults aged 18 to 65 years diagnosed with insomnia according to the International Classification of Sleep Disorders (ICSD) or the Diagnostic and Statistical Manual of Mental Disorders (DSM). Exclusion criteria included severe medical or psychiatric disorders, substance abuse, pregnancy, or recent changes in sleep medication. Participants in the intervention group engaged in a standardized yoga program consisting of gentle yoga postures, controlled breathing techniques, and mindfulness meditation, conducted twice weekly for eight weeks, with each session lasting 60 minutes. The control group received standard care for insomnia. Data collection involved subjective assessments of sleep quality using validated questionnaires and objective measures through polysomnography. Statistical analysis was performed using SPSS version 25.0, with independent sample t-tests comparing means between groups and repeated measures ANOVA for within-group analysis.
Results: The yoga group showed significant improvements in subjective sleep quality and sleep latency. The mean sleep quality score improved from 2.18 ± 0.66 pre-intervention to 0.92 ± 0.37 post-intervention (p=0.0001), while the control group showed a less marked improvement from 2.37 ± 0.48 to 2.03 ± 0.18 (p=0.0012). Sleep latency in the yoga group decreased from 3.00 ± 0.00 to 1.29 ± 0.40 (p=0.0002), whereas the control group showed a reduction from 2.44 ± 0.49 to 2.11 ± 0.31 (p=0.0013). ANOVA results confirmed the statistical significance of these findings, with an F-value of 69.897 for sleep quality (p=0.0001) and 361.947 for sleep latency (p=0.0002).
Conclusion: The findings indicate that a structured yoga program significantly improves sleep quality and reduces sleep latency in adults with insomnia. Yoga appears to be an effective non-pharmacological intervention for managing insomnia, offering a viable alternative to traditional treatments.
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