The stage of sleep in which delta waves begin to appear is ________ sleep.
A) Stage 1 (N1)
B) Stage 2 (N2)
C) Stage 3 (N3)
D) REM

Name: The stage of sleep in which delta waves begin to appear is ________ sleep. A) Stage 1 (N1) B) Stage 2 (N2) C) Stage 3 (N3) D) REM
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Question

The stage of sleep in which delta waves begin to appear is ________ sleep.
A) Stage 1 (N1)
B) Stage 2 (N2)
C) Stage 3 (N3) 
D) REM

Quizplus · Accepted Answer

Delta waves are a characteristic of slow-wave sleep, also known as Stage 3 or deep sleep. This is the stage of sleep where it is most difficult to wake someone up, and where the body is believed to undergo important restorative processes.

The Stage of Sleep in Which Delta Waves Begin to Appear