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Effect of Multi-functional Fabric on EEG and Growth Hormone Level during Sleep  

Lee, Myeong-Soo (Institute of Medical Science, Wonkwang University)
Lee, Jin-Hee (Dep. of Clothing, Wonkwang University)
Koh, Kyung-Chan (Ventex Co.)
Moon, Sun-Rock (Institute of Medical Science, Wonkwang University)
Publication Information
Fashion & Textile Research Journal / v.5, no.1, 2003 , pp. 77-81 More about this Journal
Abstract
The purpose of this study was to investigate the effect of multi-functional fabric on EEG and growth hormone (GH) during sleep and quality of sleep with the 9 young female athletes. The subjects participated in separated experimental procedure; sleeping in multi-functional fabric wear (experimental group) and cotton wear (control group) for 450min. During the night (22:00-05:30), we recorded the changes of nocturnal polysomnographic sleep recording and GH were measured every 60min. The results show that there are significant differences in percentage of stage 1, 2 and slow wave sleep (SWS) between two groups(S1, p<.05; S2, SWS, p<.01). The SWS percentage of experimental group is 1.89 times higher than control group. The changes of GH secretion varied depending on two experimental procedures. The peak of GH secretion in experimental group is more than controls by 2.4time (p<.001). The quality of sleep in experimetal group is significantly higher than control (p<.01). These results suggest muti-functional fabric wear is effective in inducing the deep sleep and increasing GH and quality of sleep.
Keywords
multi-functional fabric; growth hormone (GH); slow wave sleep (SWS); quality of sleep;
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