Answer & Explanation

Match each theory with the definition of the feeling of being sleepy that the theory would put forward. Group of answer choices The feeling of being sleepy is the tendency to yawn and lie down when it’s late at night. The feeling of being sleepy is whatever brain state that is caused by a lack of sleep and that causes you to yawn and lie down. The feeling of being sleepy is an increased release of melatonin within the pineal gland of the brain. The feeling of being sleepy is a subjective experience of fatigue.