Question at position 17 ________ is the deepest stage of sleep, during which we are least responsive to outside stimulation.Stage 1 sleepStage 3 sleepStage 4 sleepStage 2 sleep

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BlackTom AI · Accepted Answer

To analyze the question, we must match the deepest stage of sleep with the option that names it.
Option 1: Stage 1 sleep. This is the lightest sleep stage, just drifting from wakefulness; it is not the deepest stage.
Option 2: Stage 3 sleep. In many classifications, stage 3 is considered part of slow-wave sleep, but the deepest stage is typically stage 4 in older labeling, or stage N3 in newer terminology. This makes stage 3 not the deepest.
Option 3: Stage 4 sleep. Historically, stage 4 sleep is described as the deepest stage of non-REM sleep with the most synchronized brain activity and the least responsiveness to external stimuli. This aligns with the statement about deepest sleep.
Option 4: Stage 2 sleep. This is a light to moderate sleep stage characterized by sleep spindles and K-complexes, but it is not the deepest level.
In summary, among the given choices, Stage 4 sleep is the one associated with the greatest depth of sleep and the lowest responsiveness to outside stimulation, matching the description in the question.

Question at position 17 ________ is the deepest stage of sleep, during which we are least responsive to outside stimulation.Stage 1 sleepStage 3 sleepStage 4 sleepStage 2 sleep

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