Deep sleep, characterized by slow delta waves, primarily occurs during which stage of the sleep cycle?

A NREM-1

B NREM-2

C NREM-3

D REM sleep

✓ Correct Answer: Option C

NREM-3 (also known as slow-wave sleep) is the deepest stage of sleep, dominated by high-amplitude, slow delta waves, which indicates profound relaxation and restorative sleep.

💡 Why is C) the correct answer?

The correct answer to the question "Deep sleep, characterized by slow delta waves, primarily occurs during which stage of the sleep cycle?" is Option C: NREM-3.

The other options — A) NREM-1, B) NREM-2, D) REM sleep — are incorrect for this CLEP Exam Prep question. As explained above: NREM-3 (also known as slow-wave sleep) is the deepest stage of sleep, dominated by high-amplitude, slow delta waves, which indicates profound relaxation and restorative sleep.

📚 About This CLEP Exam Prep Practice Question

This 1-level CLEP Exam Prep question from the Introductory Psychology topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free CLEP Exam Prep practice test or use flashcards for spaced repetition review.

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Deep sleep, characterized by slow delta waves, primarily occurs during which stage of the sleep cycle?

✓ Correct Answer: Option C

📚 About This CLEP Exam Prep Practice Question

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