The circadian rhythm is like a clock or timer.

昼夜节律就像钟表或计时器。

Luckily, the circadian rhythm isn't set in stone.

幸运的是，昼夜节律不是一成不变的。

Even without morning light, their circadian rhythms told them when dawn should be breaking.

即使没有晨光，它们的生物钟也会告诉它们什么时候天亮。

The cells, called ipRGCs, are responsible for regulating circadian rhythms.

这些叫做ipRGCs的细胞负责调节昼夜节律。

This is thanks to circadian rhythms.

这归因于昼夜节律。

Plants, animals, and many microbes have circadian rhythms.

植物、动物和许多微生物也都有昼夜节律。

But not everyone's circadian rhythm is the same.

但每个人的昼夜节律不一定是一样的。

You know a lot about circadian rhythms.

你知道这么多和昼夜节律相关的知识啊。

Sleep is regulated by your circadian rhythm, or body clock, located in the brain.

睡眠由脑内的昼夜节律或生理时钟所管理。

The study showed how the body's circadian rhythm controlled the healing of wounds.

该研究展示了人体的昼夜节律如何控制伤口的愈合速度。