What is Circadian Rhythm?



What is Circadian Rhythm?

 

Circadian rhythms are physical, mental, and behavioral changes that follow a daily cycle. They respond primarily to light and darkness in an organism’s environment. Sleeping at night and being awake during the day is an example of a light-related circadian rhythm. Circadian rhythms are found in most living things, including animals, plants, and many tiny microbes. The study of circadian rhythms is called chronobiology- nigmsOpens in a new tab.

 

A circadian rhythm is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria. Circadian rhythms are important in determining the sleeping and feeding patterns of all animals, including human beings- ScienceDailyOpens in a new tab.

 

It is often referred to as the “body clock,” the circadian rhythmOpens in a new tab. is a cycle that tells our bodies when to sleep, rise, and eat—regulating many physiological processes. This internal body clock is affected by environmental cues, like sunlight and temperature- PsychologyTodayOpens in a new tab.

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