求文献一篇，附sciencedirect链接

jgh1682004

Altered sleep–wake cycles and physical performance in athletes
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http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T0P-4M69JR7-2&_user=10&_coverDate=02%2F28%2F2007&_rdoc=1&_fmt=high&_orig=gateway&_origin=gateway&_sort=d&_docanchor=&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=d54f2e0891bc1cc4ef8d12a6e3a6fb2c&searchtype=a

yubin083

in the accessory