Melatonin is a hormone produced in the pineal gland. It can be used to treat symptoms of sleep disorders and seasonal affective disorder because
A)it is normally produced only in the light.
B)it increases production of serotonin.
C)it increases production of tryptophan.
D)its peak production is normally at night.
E)it activates the brainstem.

Question

Quizplus · Accepted Answer

Melatonin production is highest at night, making it an effective treatment for sleep disorders and seasonal affective disorder which are both linked to light/dark cycles.

Melatonin Is a Hormone Produced in the Pineal Gland