If Jamie has trouble sleeping, he usually gets up and munches on some cookies, pretzels, or dry cereal, and this seems to help him sleep.This sleep-inducing technique
A) precipitates a placebo effect only.
B) increases the amount of tryptophan reaching his brain and increases serotonin levels.
C) is known as the paradoxical intention, since eating should prevent sleep.
D) decreases the norepinephrine and dopamine levels in the brain, resulting in sleep.

Question

Quizplus · Accepted Answer

Tryptophan is an amino acid that is a precursor to serotonin, a neurotransmitter that promotes relaxation and sleep. Carbohydrates increase the availability of tryptophan, and dry cereal, cookies, and pretzels are all high in carbohydrates. Therefore, munching on these snacks can increase the amount of tryptophan reaching the brain and elevate serotonin levels, promoting sleep.

If Jamie Has Trouble Sleeping, He Usually Gets Up and Munches