Melatonin is released in response to
A)increased sunlight.
B)staying awake later into the night.
C)decreased sunlight.
D)going to bed earlier.

Question

Quizplus · Accepted Answer

Melatonin is released in response to decreased sunlight. Its release is highest during the night and is suppressed by daylight. Therefore, going to bed earlier does not necessarily cause an increase in melatonin release, and staying awake later into the night without a decrease in sunlight exposure would not increase melatonin release either.

Melatonin Is Released in Response to