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Which brain structure plays a role in controlling slow-wave sleep?
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5. Consciousness and Sleep
Sleep
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Sleepwalking is most likely to be associated with which stage of sleep?
A
NREM Stage 3 (deep sleep)
B
NREM Stage 2
C
NREM Stage 1 (light sleep)
D
REM sleep
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Understand the different stages of sleep: NREM Stage 1 (light sleep), NREM Stage 2, NREM Stage 3 (deep sleep), and REM sleep.
Recall that sleepwalking typically occurs during deep sleep, which is characterized by slow-wave activity and is restorative in nature.
Identify that NREM Stage 3 is known as deep sleep or slow-wave sleep, where the brain exhibits delta waves and the body is in its most relaxed state.
Recognize that parasomnias such as sleepwalking are most commonly associated with NREM Stage 3 because the brain is partially aroused but the body remains inactive.
Conclude that sleepwalking is most likely to occur during NREM Stage 3 (deep sleep), rather than during lighter stages or REM sleep.
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