Ying-Hui Fu: When these people have this mutation, their sleep amount is less.
傅颖慧：当这些人有这种基因变化时，他们的睡眠量较少。
University of California researcher Ying-Hui Fu said: 'My long-term goal is to someday learn enough so we can manipulate the sleep pathways without damaging our health.
加州大学研究员付英辉(音)说：“我的长期目标是今后做足研究，从而在不影响健康的情况下人为控制睡眠规律。”
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。
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