circadian

简明释义

英[sɜːˈkeɪdiən]美[sɜːrˈkeɪdiən]

adj. 生理节奏的（指与地球二十四小时运转联系的新陈代谢、内分泌作用及睡眠等节奏有关的）；以24小时为周期的

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.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。

4.Light will only stimulate your brain's day/night balance (circadian cycle).

光只能刺激你大脑的日夜平衡（生理节奏循环）。

5.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。

6.Research into circadian rhythms has led to the discovery of a new and unanticipated molecular cog in the human body clock.

对生理节律的研究，发现了人体生物钟上一个不曾预料到的新分子齿轮。

7.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。

8.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。

9.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。

10.Shift work can negatively impact your circadian clock.

轮班工作可能会对你的昼夜节律产生负面影响。

11.The body's circadian rhythm is influenced by light and darkness.

身体的昼夜节律受光照和黑暗的影响。

12.Disrupting your circadian rhythm can lead to sleep disorders.

打乱你的昼夜节律可能会导致睡眠障碍。

13.Many plants have adapted their flowering times to align with their circadian cycles.

许多植物已经调整了它们的开花时间，以与它们的昼夜节律相一致。

14.Researchers are studying how circadian rhythms affect mental health.

研究人员正在研究昼夜节律如何影响心理健康。

作文

The term circadian refers to biological processes that follow a roughly 24-hour cycle, responding primarily to light and darkness in the environment. This concept is crucial for understanding how our bodies function in relation to the day-night cycle. For instance, our sleep-wake patterns are heavily influenced by circadian rhythms. These rhythms are not just limited to sleep; they also affect hormone release, eating habits, digestion, body temperature, and other bodily functions. In modern society, many people experience disruptions to their circadian rhythms due to various factors such as shift work, travel across time zones, and exposure to artificial light at night. This disruption can lead to sleep disorders like insomnia and can negatively impact overall health. Research has shown that maintaining a regular sleep schedule that aligns with our natural circadian rhythms can improve sleep quality and enhance mood and cognitive function.The science behind circadian rhythms is fascinating. Our bodies have an internal clock, known as the suprachiasmatic nucleus (SCN), located in the hypothalamus. This clock regulates the production of melatonin, a hormone that promotes sleep. When exposed to light, especially blue light from screens, the production of melatonin is inhibited, making it harder to fall asleep. Conversely, in the absence of light, melatonin levels rise, signaling to our bodies that it is time to rest.Understanding circadian rhythms can also help us optimize our daily activities. For example, studies suggest that people tend to perform better on cognitive tasks during their peak circadian hours, which typically occur in the late morning and early afternoon. By scheduling important tasks during these times, individuals can enhance productivity and efficiency.Moreover, circadian rhythms play a role in physical performance as well. Athletes often find that their performance varies throughout the day, influenced by their circadian cycles. Training sessions scheduled in accordance with these rhythms can lead to better outcomes in competitions.In conclusion, the concept of circadian rhythms is integral to our understanding of human biology and behavior. By aligning our lifestyles with our natural circadian cycles, we can improve not only our sleep quality but also our overall health and productivity. As we continue to learn more about the importance of these rhythms, it becomes increasingly clear that respecting our internal clocks is essential for a balanced and healthy life.

术语昼夜节律指的是生物过程遵循大约24小时的周期，主要响应环境中的光和黑暗。这一概念对于理解我们身体如何与昼夜周期运作至关重要。例如，我们的睡眠-觉醒模式受到昼夜节律的严重影响。这些节律不仅限于睡眠；它们还影响激素分泌、饮食习惯、消化、体温和其他身体功能。在现代社会，由于轮班工作、跨时区旅行和夜间接触人造光等各种因素，许多人经历了昼夜节律的干扰。这种干扰可能导致失眠等睡眠障碍，并对整体健康产生负面影响。研究表明，保持与自然昼夜节律一致的规律睡眠时间表可以改善睡眠质量，增强情绪和认知功能。关于昼夜节律的科学非常迷人。我们的身体有一个内部时钟，称为下丘脑的视交叉上核（SCN）。这个时钟调节褪黑激素的产生，这是一种促进睡眠的激素。当暴露在光线下，尤其是来自屏幕的蓝光时，褪黑激素的产生会受到抑制，使入睡变得更加困难。相反，在没有光的情况下，褪黑激素水平上升，向我们的身体发出休息的信号。理解昼夜节律也可以帮助我们优化日常活动。例如，研究表明，人们在认知任务上的表现往往在他们的高峰昼夜节律时段内表现更好，这通常发生在上午晚些时候和下午早些时候。通过在这些时间安排重要任务，个人可以提高生产力和效率。此外，昼夜节律在体育表现中也发挥着作用。运动员常常发现，他们的表现随着一天中的时间而变化，受到其昼夜节律周期的影响。根据这些节律安排训练课程可以在比赛中取得更好的结果。总之，昼夜节律的概念是我们理解人类生物学和行为的核心。通过将我们的生活方式与自然的昼夜节律相协调，我们不仅可以改善睡眠质量，还可以提高整体健康和生产力。随着我们对这些节律重要性认识的不断深入，越来越清楚的是，尊重我们的内部时钟对于平衡和健康的生活至关重要。