A. NREM Stage 1
B. NREM Stage 2
C. NREM Stage 3
D. REM sleep
Answer: REM sleep
A. NREM Stage 1
B. NREM Stage 2
C. NREM Stage 3
D. REM sleep
Answer: REM sleep
Additional Information: REM (Rapid Eye Movement) sleep is the stage where vivid dreaming commonly occurs.
Subjects: Psychology