In trying to keep up with his college classes and his job at a hospital lab, Christian has been getting by on four or five hours of sleep per night for several nights. Which of the following is Christian likely to experience?
A) increased blood levels of the appetite-suppressing hormone leptin and reduced feelings of hunger
B) increased blood levels of the appetite-increasing hormone ghrelin and feelings of hunger
C) a decrease in his set-point weight, just as set-point theory predicts
D) a decrease in appetite resulting in weight loss

Question

Quizplus · Accepted Answer

Lack of sleep is associated with increased levels of ghrelin, which stimulates appetite, and decreased levels of leptin, which suppresses appetite. Therefore, Christian is likely to experience increased levels of ghrelin and feelings of hunger.

In Trying to Keep Up with His College Classes and His