Which of the following is the most important in the physiological control of sleep?
A) brain circuits and brain chemicals
B) the somatic nervous system
C) external markers for sleep and wakefulness
D) sleep-promoting substances in the blood stream

Question

Quizplus · Accepted Answer

Brain circuits and brain chemicals play a crucial role in the physiological control of sleep. These circuits and chemicals, including neurotransmitters like serotonin, GABA, and orexin, regulate the sleep-wake cycle and help promote sleep or wakefulness as needed. While the other options may also contribute to sleep regulation, they are not as central to the process as brain circuits and chemicals.

Which of the Following Is the Most Important in the Physiological