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Effects of sleep management with self-help treatment for the Japanese elderly with chronic insomnia: a
Norihisa Tamura1,2, Hideki Tanaka3
1Department of Psychology, Faculty of Psychology, Hiroshima International University, 555-36 Gakuendai, Kurose, Higashi-Hiroshima, Hiroshima, 739-2631, Japan. tamura65@tokyo-med.ac.jp.
Abstract:
This study aimed to determine whether sleep management with self-help treatment is more effective in improving insomnia, compared to a waiting-list control. A total of 51 participants with insomnia, aged ≥60 years, were assigned to two groups: the treatment group or waiting-list control group. Intervention included sleep education, group work, moderately intense exercise, and self-help treatment using a sleep diary for 2 weeks. Participants completed the Insomnia Severity Index (ISI-J) and sleep diaries wearing an activity recorder pre- and post-treatment. The treatment group showed a significant improvement in the ISI-J with a fairly large effect size (Cohen's d: within = 0.78, between = 0.70), whereas the waiting-list control group did not. Sleep diary and activity recorder data showed small to moderate effect sizes in the treatment group. Thus, sleep management with self-help treatment was superior to a waiting-list control for insomnia severity in the targeted elderly population.
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