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http://www.flickr.com/photos/mathatelle/sets/72157... 追加
lunch tmstopm11 128日前 (2008/03/20 21:26)
http://www.nytimes.com/2007/08/19/business/yourmon... 追加
It is entirely natural for humans to want to go to sleep about seven hours after they have awakened.
That Yawn After Lunch Is Perfectly Normal science health kosima 338日前 (2007/08/23 08:40)
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It is entirely natural for humans to want to go to sleep about seven hours after they have awakened. 