The physiology of sleep is complex.Which of the following statements is the most appropriate one regarding this process?

Question

Quizplus · Accepted Answer

The reticular activating system (located in the brainstem) plays a key role in the level of consciousness of a person. It is responsible for regulating sleep-wake transitions and filtering sensory information.

Option A is incorrect as circadian rhythms occur in a cycle of approximately 24 hours.

Option B is incorrect as high-stimulus environments typically lead to wakefulness, not NREM sleep.

Option D is incorrect as the bulbar synchronizing region is not responsible for REM sleep. The pontine tegmentum and other brain regions are involved in regulating REM sleep.

The Physiology of Sleep Is Complex