RE: Be careful of your body if you only sleep six hours a day or less 一天睡眠少於六小時的人要注意身體

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Be careful of your body if you only sleep six hours a day or less 一天睡眠少於六小時的人要注意身體

in cn •  8 years ago 

I think this is very subjective. Although there are lots of things in modern society that effect our sleep patterns most end up catching up on lost sleep. Many people could really benefit from learning about polyphasic sleep.

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