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

即使没有晨光，它们生物钟也会告诉它们什么时候天亮。

But not everyone's circadian rhythm is the same.

但每个夜节律不一定是一样。

Almost all living things have a circadian rhythm that changes with the light.

几乎所有生物都有随光而变化夜节律。

The circadian rhythm is like a clock or timer.

夜节律就像钟表或计时器。

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

这些叫做ipRGCs细胞负责调节夜节律。

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

由脑内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.

该研究展示了体夜节律如何控制伤口愈合速度。

The light helps reset your circadian rhythm for healthful sleep.

灯光有助于重置你夜节律，以获得健康。

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

这个时钟被称为夜节律，大约以24小时为一个周期。

Hormonal differences like these determine how you experience your circadian rhythm.

这样荷尔蒙差异决定着你生物钟效果。

When you stay up all night, you're fighting against your body's natural circadian rhythms.

当你熬夜时候，你在和身体自然夜节律做斗争。

This is basically your circadian rhythm's clock.

这基本就是你夜节律时钟。

And the blue light from screens causes eye strain and disrupts circadian rhythms.

屏幕发出蓝光会造成眼睛疲劳，扰乱了夜节律。

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

试图改变你夜节律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.

圣母大学研究夜节律生物学家贾尔斯·达菲尔德说到。

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，褪黑激素在夜节律中起着重要作用。

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生物钟，或者说夜节律。

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夜节律。

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

和类一样，植物也有内部生物钟，也就是夜节律。

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

一旦生理时钟错乱，其他生理机制就会陷入混乱。