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Updated: Feb 28, 2026

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Published on: August 8, 2019
Restoring effective sleep tranquility (REST): A feasibility and pilot study
Aaron M Eakman1, Arlene A Schmid2, Kimberly L Henry3
1Assistant Professor, Department of Occupational Therapy, College of Health and Human Sciences, Colorado State University, Fort Collins, CO, USA.
Introduction:
The purpose of this pilot study was to establish the feasibility of completing a future controlled trial of a multi-component cognitive behavioral therapy for insomnia program for military veterans with sleep disturbance.
Method:
This was a single-arm feasibility and pilot study. Participants were United States post-9/11 veterans with service-connected injuries, university students, and had self-reported sleep disturbances. Restoring Effective Sleep Tranquility was a multi-component cognitive behavioral therapy for insomnia intervention consisting of seven sessions of group therapy and eight 1:1 sessions delivered by occupational therapists. Feasibility and pilot indicators were process, resources, management, and scientific, including pre-post-assessments of sleep difficulties, dysfunctional sleep beliefs, participation, and pain interference.
Findings:
Indicators were supportive of feasibility, including reduced sleep difficulties (for example Medical Outcomes Study Sleep Measure [t = 3.29, p = .02]), reduced nightmares: t = 2.79, p = .03; fewer dysfunctional sleep beliefs: t = 3.63, p = .01, and greater ability to participate in social roles: t = -2.86, p = .03, along with trends towards improved satisfaction with participation and reduced pain interference.
Conclusion:
The Restoring Effective Sleep Tranquility program may reduce sleep difficulties and improve participation in US veterans with service-connected injuries, and evidence indicates a controlled trial would be feasible to deliver.
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