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Volume 15 No. 03
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Accepted Papers





Scientific Investigations

Effects of a Workplace-Based Sleep Health Program on Sleep in Members of the German Armed Forces

Cornelia Sauter, PhD1; Jens T. Kowalski, PhD2; Michael Stein, PhD2; Stefan Röttger, PhD2; Heidi Danker-Hopfe, PhD1
1Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Competence Center of Sleep Medicine at Campus Benjamin Franklin, Berlin, Germany; 2German Armed Forces Office, Applied Military Psychology and Research Group, Hamburg, Germany

Study Objectives:

To develop and evaluate a brief manual-based sleep health program within the workplace health promotion of the German Armed Forces.

Methods:

The sleep health program comprised four weekly group sessions. Sixty-three members (48 males) were randomly allocated to either a treatment group or a waiting control group matching for age, sex, and baseline Pittsburgh Sleep Quality Index (PSQI). The control group had to wait before participating in the sleep health program until the treatment group finished the intervention. Sleep was assessed by ambulatory polysomnography (PSG) as well as with evening and morning protocols at baseline (t0), directly after the treatment group participated in the sleep health program (t1), and after the control group finished participation (t2). The PSQI, the Insomnia Severity Index (ISI), and the Epworth Sleepiness Scale (ESS) were applied at the same three time points, and during a 3-month follow-up evaluation (t3).

Results:

Fifty-seven out of the 63 randomized individuals (42 males, mean age = 40.6 years; complete PSG data: n = 36; complete questionnaire data: n = 39) participated in the sleep health program. Objective wake after sleep onset, sleep efficiency, latency to persistent sleep, self-reported sleep latency, restfulness, PSQI, and ISI scores improved with medium or large effects in both groups. ESS scores decreased with moderate effects in the treatment group only.

Conclusions:

The sleep health program had a positive and stable effect on objective and self-reported sleep parameters, and it is suitable as a preventive measure in members of the German Armed Forces.

Clinical Trial Registration:

Registry: ClinicalTrials.gov; Title: Development and Evaluation of a Sleep-coaching Program; Identifier: NCT02896062; URL: https://clinicaltrials.gov/ct2/show/record/NCT02896062

Citation:

Sauter C, Kowalski JT, Stein M, Röttger S, Danker-Hopfe H. Effects of a workplace-based sleep health program on sleep in members of the German Armed Forces. J Clin Sleep Med. 2019;15(3):417–429.


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