Sleep spindles appear during ________ sleep.
A) stage 1 (N1)
B) REM
C) stage 2 (N2)
D) stage 3 (N3)

Name: Sleep spindles appear during ________ sleep. A) stage 1 (N1) B) REM C) stage 2 (N2) D) stage 3 (N3)
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Question

Quizplus · Accepted Answer

Sleep spindles are bursts of brain activity that occur during stage 2 (N2) sleep, which is characterized by sleep spindles and K-complexes. They do not appear in stage 1 (N1) or stage 3 (N3) sleep, and are absent during REM sleep.

Sleep Spindles Appear During ________ Sleep