Nonetheless, Ying-Hui Fu with the University of California San Francisco says little is known about this basic human need.
而人们对人类这一最基本的需要还知之甚少。
"They really have shorter sleep requirements," said study researcher Ying-Hui Fu, a professor of neurology at the University of California at San Francisco, Mission Bay.
“她们确实需要短时间的睡眠”，研究人员Ying-Hui Fu提到，坐落在旧金山使命湾（Mission Bay）的加州大学的一位神经学教授。
"They really have shorter sleep requirements," said study researcher Ying-Hui Fu, a professor of neurology at the University of California at San Francisco, Mission Bay.
“她们确实需要短时间的睡眠”，研究人员Ying-Hui Fu提到，坐落在旧金山使命湾（Mission Bay）的加州大学的一位神经学教授。
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