How do scientists know that night terrors are not simply an extension of nightmares?
A) Because night terrors occur in stage 1 of NREM sleep, while nightmares occur in stage 2 of NREM sleep.
B) Because night terrors occur in stage 2 of NREM sleep, while nightmares occur in REM sleep.
C) Because night terrors occur in REM sleep, while nightmares occur in stage 4 of NREM sleep.
D) Because night terrors occur in stage 4 of NREM sleep, while nightmares occur in REM sleep.

Question

Quizplus · Accepted Answer

Night terrors and nightmares occur in different stages of sleep: night terrors during the deep sleep phase of NREM (Non-Rapid Eye Movement) sleep (stage 4), and nightmares during REM (Rapid Eye Movement) sleep, when dreaming typically occurs.

How Do Scientists Know That Night Terrors Are Not Simply