What is the physiological change that occurs in stage 5 of the sleep cycle?

Question

Quizplus · Accepted Answer

Stage 5 of the sleep cycle is also known as REM (rapid eye movement) sleep, during which breathing becomes rapid and irregular. Therefore, option B is the correct answer. Option A is incorrect because heart rate actually increases during REM sleep. Option C is incorrect because breathing is not regular during this stage. Option D is incorrect because there is a physiological change occurring in stage 5 of the sleep cycle.

What Is the Physiological Change That Occurs in Stage 5