Which of the following stages of sleep is marked by the production of very slow delta waves?
A) REM
B) Stage 1 (N1)
C) Stage 2 (N2)
D) Stage 4 (N3)

Question

Quizplus · Accepted Answer

Stage 4 (N3) is marked by the production of very slow delta waves, which are characteristic of deep sleep. REM sleep is characterized by rapid eye movements and is associated with vivid dreaming. Stages 1 and 2 are considered light sleep, and while delta waves may be present, they are not as prominent as in Stage 4.

Which of the Following Stages of Sleep Is Marked by the Production