Mary occasionally takes a dose of melatonin in the afternoon. Most likely she takes it to help her
A) prevent sleepiness.
B) imitate jet lag.
C) concentrate.
D) fall asleep for a nap.

Question

Quizplus · Accepted Answer

Melatonin is a hormone that regulates sleep-wake cycles. Taking melatonin in the afternoon can help induce drowsiness and facilitate falling asleep for a nap.

Mary Occasionally Takes a Dose of Melatonin in the Afternoon