Such a rhythm whose period is approximately—but not exactly—a day is called circadian.
这种以近似于——但不完全是——一天为周期的节律，叫做昼夜节律。
This is a benign variation within circadian rhythms known as a chronotype.
这是一种被称为睡眠类型的昼夜节律的良性变化。
For different individual horseshoe crabs, the circadian period ranged from 22.2 to 25.5 hours.
对于不同的鲎来说，其生理节奏的周期范围在22.2小时到25.5小时之间。
Even a fifteen-minute burst of light in otherwise sustained darkness can reset an animal's circadian rhythm.
即使是15分钟的猝发光（其它地方是持续的黑暗环境）也可以使动物重新设定生理节奏。
Women's Circadian Rhythm Beats Faster Than men's.
女性的昼夜节律比男性的快。
Regular mealtimes, not just regular sleep times, help regulate our circadian rhythms.
不仅是有规律的睡眠时间，有规律的饮食时间也对调节我们的生理节奏有帮助。
The circadian clock can distinguish between different colors, or wavelengths, of light.
生物钟可以区分不同的颜色的，或者说，不同波长的光线。
In other words, at least for humans, circadian rhythm is not entirely a matter of genetics.
换句话说，至少对于人类来说，昼夜节律不完全是遗传问题。
Each of us has our own normal circadian rhythm (natural daily rhythms of bodily functions).
每个人都有自己正常的生理节奏(身体日常运作的自然规律)。
In humans melatonin levels rise at night, in response to darkness and cues from the circadian clock.
人类的褪黑激素水平在夜晚上升，以响应黑暗和昼夜节律钟发出的信号。
Blue light - such as the light from the blue sky - is best for stimulating the circadian system.
蓝色的光——比如来自蓝天的光线——对生物钟的刺激最强烈。
New experiments on mice have found that a particular gene called per1 fires our circadian rhythm.
通过在实验鼠身上的实验，科学家发现一种名为per1的基因能控制身体节律。
And that light pollution could_3_our circadian rhythms, which control not only sleep, but metabolism.
而生理节奏不仅控制着人们的睡眠，还控制着人们的新陈代谢。
(For example, circadian rhythm). Moods, along with sleep patterns and energy levels, can be highly irregular.
生理节律情绪以及睡眠模式和精力水平会非常不规则。
More important, these regions included the suprachiasmatic area, which is home to the body's circadian clock.
更重要的是，这些区域包括掌管生物钟的视交叉上核。
This could be due to the effects of our natural sleep-wake cycle, or circadian rhythm, the researchers suggest.
研究者表明，这是由于我们的自然睡眠-觉醒周期或者昼夜节律的影响。
Collectively, these cycles are known as circadian rhythms and are generally tied to the 24-hour day-night cycle.
所有的这些周期被人们统称为昼夜节律，一般以24小时一昼夜为一个循环。
We humans like to think of ourselves as somehow outside the natural world, but we have a circadian clock as well.
我们人类喜欢把自己视为多少有点超乎于自然世界之外的高等动物，但我们也有一个生物钟。
Geneticists have by now identified a set of genes that regulate the SCN and thus the circadian rhythm among mammals.
遗传学家们目前确定了一系列基因，这些基因能够调节scn和哺乳动物的昼夜节律。
We're locked into it not just by day and night-there's the master timepiece in the brain called the circadian clock.
我们不仅按照昼夜的交替生活，而且还受大脑里的生物钟的支配。
The other technique experts advise is to stimulate your circadian rhythms with bright light and exercise during the day.
其他技术专家建议采用强光来刺激生物节奏和白天锻炼的方法。
What to do: If you suspect you have a circadian rhythm disorder, take steps to get your body onto a regular sleep schedule.
如何做：如果你推测你有生理节奏失调症状，采取有规律的睡眠时间的措施。
Helping your body feel more "awake" during the day resets your circadian clock so that your body is ready for sleep at bedtime.
让你的身体在白天的时候更清醒，这样会重置你的生物钟，到睡觉时你也就容易入睡了。
This difference is important for people with seasonal depression, who are treated with light therapy to reset their circadian rhythm.
自身节律的个人差异对季节性抑郁症的治疗有重要意义。这类患者接受光照疗法以重设昼夜节律。
Recently, Figueiro ran an experiment to see how exposure to morning light affects the circadian clocks of middle school students.
最近，菲戈罗进行了一项实验。她通过实验观察上午的阳光是如何影响中学生的生物钟的。
Jet lag happens when your circadian rhythm is running on a different day-night cycle than the day-night cycle of the outside world.
当我们的生物钟周期与外部的昼夜交替周期不一致时，我们就有倒时差的感觉。
Jet lag happens when your circadian rhythm is running on a different day-night cycle than the day-night cycle of the outside world.
当我们的生物钟周期与外部的昼夜交替周期不一致时，我们就有倒时差的感觉。
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