These days I largely ignore cellular level feedback because it comes from people at varying levels of wakefulness, so of course they won’t all agree.

这些天我几乎忽视了细胞层次的反馈，因为它们来自不同层次觉醒的人们。 所以，当然他们不会全都赞成。

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Sleeping longer than you need to will weaken your sleep system, as you reduce your prior wakefulness, exposure to sunlight, activity levels, and your body temperature at a low for too long.

睡得比你所需应该睡的时间长了会减弱你的睡眠系统，当你降低了你先前的觉醒度，暴露于阳光中，你的活动水平和你的身体体温都处于低水平太久。

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Healthy people rotate between three states of vigilance: wakefulness, rapid eye-movement (REM) sleep and non-REM sleep.

健康人群会在三种警戒状态下转换：觉醒，快速动眼睡眠，非快速动眼睡眠。

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