Children are sleeping less for various reasons, Gozal said.

同时，他也表示。 介于种种理由，孩子们会睡得少。

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"All this would suggest that sleep is an important regulator of metabolism, " Gozal said.

整个世界都承认睡眠是最重要的新陈代谢调节器。

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David Gozal, chair of pediatrics at Comer Children's Hospital at the University of Chicago.

芝加哥大学的科马儿童医院的儿科教授兼研究员的大卫。格扎尔博士说道。

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