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Final answer:

Melatonin levels rise in the body in the evening up to midnight, promoting drowsiness and regulating sleep patterns.


Explanation:

Melatonin levels in the body rise in the evening up to midnight as light levels decline, promoting drowsiness. Melatonin influences circadian rhythms, affecting sleepiness, wakefulness, appetite, and body temperature. Melatonin production is inhibited by light exposure, leading to alertness, while darkness triggers increased melatonin release, inducing sleep.


Learn more about Melatonin levels and circadian rhythms here:

https://brainly.com/question/31028598


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