This image depicts the sleep cycles over the course of a typical night. In which stage are K complexes and sleep spindles most likely to occur?

A) stage 1 NREM
B) stage 2 NREM
C) REM sleep
D) stage 4 NREM

Name: This image depicts the sleep cycles over the course of a typical night. In which stage are K complexes and sleep spindles most likely to occur? A) stage 1 NREM B) stage 2 NREM C) REM sleep D) stage 4 NREM
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Question

This image depicts the sleep cycles over the course of a typical night. In which stage are K complexes and sleep spindles most likely to occur?

A) stage 1 NREM 
B) stage 2 NREM 
C) REM sleep 
D) stage 4 NREM

Quizplus · Accepted Answer

K complexes and sleep spindles are most likely to occur in stage 2 NREM sleep.

This Image Depicts the Sleep Cycles Over the Course of a Typical