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Circadian Rhythm (Noun)

A daily cycle of activity observed in many living organisms.

Nouns denoting time and temporal relations.

The human body has an internal circadian rhythm that regulates the sleep-wake cycle, helping us stay alert during the day and sleepy at night.
Exposure to natural light helps synchronize our circadian rhythm with the 24-hour day-night cycle, which is essential for overall health and well-being.
Disruptions to the circadian rhythm, such as those caused by shift work or jet lag, can have negative effects on physical and mental health.
Plants also exhibit a circadian rhythm, with many species opening their flowers or leaves at specific times of the day to maximize photosynthesis and attract pollinators.
The circadian rhythm is controlled by a complex system involving genes, hormones, and environmental cues, and its dysregulation has been linked to various diseases, including diabetes and cancer.