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The effects of recreational underwater exercise in early evening on sleep for physically untrained male subjects
Author(s) -
Oda Shiro
Publication year - 2001
Publication title -
psychiatry and clinical neurosciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.609
H-Index - 74
eISSN - 1440-1819
pISSN - 1323-1316
DOI - 10.1046/j.1440-1819.2001.00816.x
Subject(s) - evening , sleep (system call) , sleep quality , physical therapy , medicine , psychology , audiology , insomnia , psychiatry , physics , astronomy , computer science , operating system
The present study investigated the effects of recreational underwater exercise (UWE; 28.9–31.5°C, 16:00–16:50, 36.2 ± 5.2 %HR res ) on thermal response and nocturnal sleep. Rectal temperature (T rec ) and sleep parameters of eight physically untrained male subjects were measured in both non‐exercise (NE) and UWE days. Underwater exercise consisted of aerobic exercises with various kinds of movements. During UWE, T rec raised slightly in most subjects, but declined in one subject. We could not observe a rapid decline in T rec before sleep on a UWE day. The polysomnographic and subjective sleep parameters showed no significant differences between NE and UWE nights. The quality of sleep did not improve on the night when UWE was performed, and thermal changes might be related to the results.