Multiple Choice
According to research on sleep and driving, which group is most at risk for sleep-related crashes?
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5. Consciousness and Sleep
Sleep
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Sleepwalking occurs in stage __________ sleep, whereas nightmares occur in stage __________ sleep.
A
Stage 1 sleep; Stage 2 sleep
B
3 or 4 (NREM) sleep; REM sleep
C
Stage 2 sleep; Stage 4 sleep
D
REM sleep; 3 or 4 (NREM) sleep
Verified step by step guidance1
Understand the stages of sleep: Sleep is divided into Non-Rapid Eye Movement (NREM) sleep, which includes stages 1 through 4, and Rapid Eye Movement (REM) sleep.
Identify where sleepwalking occurs: Sleepwalking typically happens during the deeper stages of NREM sleep, specifically stages 3 or 4, which are also called slow-wave sleep.
Identify where nightmares occur: Nightmares usually occur during REM sleep, the stage associated with vivid dreaming and increased brain activity.
Match the sleep stages to the phenomena: Since sleepwalking occurs in deep NREM sleep (stages 3 or 4) and nightmares occur in REM sleep, the correct pairing is '3 or 4 (NREM) sleep; REM sleep'.
Review the other options to confirm: The other options either mismatch the stages or incorrectly assign REM sleep to sleepwalking, which helps reinforce the correct answer.
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