Molly arrived in Juneau, Alaska to visit her aunt and uncle. Yet when she got there at 10 p.m., the sun was just beginning to set. This would affect her

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Molly's experience in Juneau, Alaska, where the sun sets late at night, would affect both her circadian rhythm and her sleep cycle that is connected with the rotation of the earth. The circadian rhythm is our internal biological clock that regulates our sleep-wake cycle, hunger and thirst, and other physiological processes. Exposure to light and darkness helps to regulate this clock, so prolonged exposure to sunlight when it should be dark can disrupt the rhythm. The sleep cycle that is connected with the rotation of the earth, also known as the circadian sleep-wake cycle, is influenced by the body's response to the earth's rotation. This cycle is primarily controlled by the circadian rhythm and affects the timing and quality of our sleep. As such, being in a location where the sun sets late at night can cause disturbances in both the circadian rhythm and the circadian sleep-wake cycle.

Molly Arrived in Juneau, Alaska to Visit Her Aunt and Uncle