A 45-year-old man undergoes polysomnography for evaluation of excessive daytime sleepiness. The sleep study shows prominent delta waves (0.5–2 Hz, amplitude >75 μV) occupying >20% of the epoch during the first third of the night. The structure marked D in the diagram represents this stage. Which of the following is the PRIMARY physiological function of the stage marked D?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.

Daily MCQs, study tips, and topper strategies on Telegram.