Which of the following is the most important in the physiological control of sleep?
A)substances in the brain and spinal cord
B)the somatic nervous system
C)the endocrine system
D)substances in the bloodstream

Question

Quizplus · Accepted Answer

The physiological control of sleep is primarily regulated by substances in the brain and spinal cord, including neurotransmitters such as serotonin, dopamine, and norepinephrine. These substances play a crucial role in the sleep-wake cycle and the regulation of circadian rhythms. While the other systems listed (somatic nervous system, endocrine system, and substances in the bloodstream) may also have some influence on sleep, they are not as directly involved in its physiological control as the substances in the brain and spinal cord.

Which of the Following Is the Most Important in the Physiological