You will have read in the first chapter that the question really isn't "how long should I sleep?"

你还将会读到在第一章节里的问题真的不是“我应该睡多久？”

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You will have read in the first chapter that the question really isn't "how long should I sleep?" the question really is... "how can I optimize my sleep system to gain POWERFUL and QUALITY sleep."

你将会在第一章中读到一个问题，即“我应该睡多长时间”，但其实真正的问题应该是“我该怎样尽量优化我的睡眠系统，以使我的睡眠功能更强、质量更高”。

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