The difference between stage 3 and stage 4 sleep is that during stage _____ sleep, __________ waves occur more than 50 percent of the time. A. 3 . . . delta B. 4 . . . delta C. 3 . . . alpha D. 4 . . . alpha

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Answer:

B. 4 . . . delta

Explanation:

Low frequency delta wave type, high brain wave amplitude typical of stage 3 and stage 4 sleep.

Stage 3 and Stage 4 are defined as slow-wave sleeping characterized by delta waves predominance.

Stage 3 and Stage 4 of sleep are frequently referred to as deep slumber or slow-wave sleep since these phases are defined by lower frequency (up to 4 Hz), high delta waves.

Answer: B. 4 . . . delta

Explanation: I took the test and got it correct

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