Which of the following is true of human sleep cycles? There is usually about 15 minutes between sleep cycles. Sleep cycles are random across the night. Stages 3 and 4 of slow-wave sleep mostly occur in the early morning hours (at the end of the sleep cycle). "As the night goes on, the relative length of REM sleep increases in each successive cycle."

Which of the following is true of human sleep cycles? There is usually about 15 minutes between sleep cycles. Sleep cycles are random across the night. Stages 3 and 4 of slow-wave sleep mostly occur in the early morning hours (at the end of the sleep cycle). "As the night goes on, the relative length of REM sleep increases in each successive cycle."

Cardiopulmonary Anatomy & Physiology

7th Edition

ISBN:9781337794909

Author:Des Jardins, Terry.

Publisher:Des Jardins, Terry.

Chapter17: Sleep Physiology And Its Relationship To The Cardiopulmonary System

Section: Chapter Questions

Problem 3RQ

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		There is usually about 15 minutes between sleep cycles.
		Sleep cycles are random across the night.
		Stages 3 and 4 of slow-wave sleep mostly occur in the early morning hours (at the end of the sleep cycle).
		"As the night goes on, the relative length of REM sleep increases in each successive cycle."