Dreamless slow-wave NREM sleep increases after physical exertion, while REM sleep increases with daytime emotional stresses.

Question

Quizplus · Accepted Answer

Physical exertion is known to increase the amount of slow-wave sleep (SWS), which is a deep, restorative sleep stage without dreams, occurring during non-REM (NREM) sleep. On the other hand, REM sleep, which is associated with dreaming, tends to increase after days involving emotional stress, as it plays a role in emotional regulation and memory consolidation.

Dreamless Slow-Wave NREM Sleep Increases After Physical Exertion, While REM