The circadian rhythm is also linked to the earth’s rotation on its axis that determines the day and night since the rhythm is also affected by external factors such as light.
The study of circadian rhythms is known as chronobiology. Ideally, circadian rhythm regulates the different processes and activities within our brain and bodies as well as in other life forms.
Certain factors affect the circadian rhythm that comes from within, which include our lifestyles, eating habits, age, physical activities, and social activities.Light is another major factor—though an external one—that plays a major role in the circadian rhythm.
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