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

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)

Quizplus · Accepted Answer

Stage 4 (N3) is marked by the production of very slow delta waves, making it the deepest stage of sleep. REM (A) is characterized by rapid eye movements, increased brain activity, and vivid dreaming. Stages 1 (B) and 2 (C) are lighter stages of sleep characterized by slower brain waves than wakefulness.

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