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。

youdao

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。”

youdao

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。

youdao

Yet sleep scientist Ying-Hui Fu at the University of California, San Francisco,says little is known about the basic need for sleep.

VOA: special.2009.08.26