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

即使没有晨光，它们物钟也会告诉它们什么时候天亮。

But not everyone's circadian rhythm is the same.

但每个人昼夜不一定是一样。

The circadian rhythm is like a clock or timer.

昼夜像钟表或计时器。

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

这些叫做ipRGCs细胞负责调昼夜。

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

睡眠由脑内昼夜或理时钟所管理。

The light helps reset your circadian rhythm for healthful sleep.

灯光有助于重置你昼夜，以获得健康睡眠。

Efforts to alter your circadian rhythm are likely to end in sleepy frustration.

试图改变你昼夜可能会以困倦和沮丧告终。

Giles Duffield, a biologist at the University of Notre Dame, who studies circadian rhythms.

圣母大学研究昼夜物学家贾尔斯·达菲尔德说到。

Their light at night can affect our internal clocks, or circadian rhythm.

它们在夜间发出光会影响我们物钟，或者说昼夜。

Sofia Axelrod studies circadian rhythms at Rockefeller University in New York.

索菲亚·阿克塞尔罗德在纽约洛克菲勒大学研究昼夜。

Just like humans, plants also have internal biological clocks, refer to as a circadian rhythm.

和人类一样，植物也有内部物钟，也是昼夜。

So what can people do to help adapt their circadian rhythms to a night shift schedule?

所以人们应该怎样做来使昼夜适应夜班奏？

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

该研究展示了人体昼夜如何控制伤口愈合速度。

This is thanks to circadian rhythms.

这归因于昼夜。

This clock, known as the circadian rhythm, is on a roughly 24-hour cycle.

这个时钟被称为昼夜，大约以24小时为一个周期。

One weight loss treatment currently in development aims to work by targeting your body's circadian rhythm.

目前正处于研发阶段减肥疗法旨在针对人体理奏达到效果。

So a lot of that has to do with both the circadian rhythm and blood sugars.

所以这在很大程度上与昼夜和血糖有关。

That's because light suppresses melatonin, a hormone that plays an important role in circadian rhythm.

这是因为光抑制褪黑激素，褪黑激素在昼夜中起着重要作用。

And once your circadian rhythm gets off, a lot of other things fall apart.

一旦理时钟错乱，其他理机制会陷入混乱。

Skyglow affects human circadian rhythms as well as other forms of life, said Georgetown University biologist Emily Williams.

乔治城大学物学家艾米丽·威廉姆斯说，天光会影响人类昼夜以及其他形式命。