In a young adult, during the course of a night's sleep the length of the bouts of _______ sleep progressively decrease, while the length of bouts of _______ sleep progressively increase.

Question

Quizplus · Accepted Answer

During a night's sleep, the length of bouts of stage 3 slow-wave sleep (SWS) decreases, while the length of bouts of REM sleep increases. This pattern reflects the cycling of sleep stages, with deeper non-REM sleep stages occurring more frequently in the first part of the night and REM sleep becoming more prominent as the night progresses.

In a Young Adult, During the Course of a Night's