Bright light treatment for night-time insomnia and daytime sleepiness in elderly people: comparison with a short-acting hypnotic |
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Authors: | Usui A Ishizuka Y Matsushita Y Fukuzawa H Kanba S |
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Affiliation: | Department of Psychiatry, Yamanashi Medical University, Tamaho, Japan. ausui@swallow.res.yamanashi-med.ac.jp |
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Abstract: | Night-time bright light (BL) treatment and triazolam (0.125 mg/day) were given to three healthy elderly people in a cross-over design. They kept a daytime sleepiness test and a sleep log, and their wrist-activity was monitored simultaneously. Subjectively, BL increased daytime sleepiness and naps, and decreased night-time sleep. Triazolam decreased daytime sleepiness and naps, and increased night-time sleep. Actigraphic night-time sleep and naps on the first day were similar to these results. However, on the fourth day night-time insomnia induced by BL had recovered, and naps were shorter than the baseline. Triazolam increased actigraphic naps as the days passed. |
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Keywords: | bright light daytime sleepiness elderly people hypnotic insomnia |
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