The deepest stage of sleep is experienced during:
A)stage VI.
B)stage I.
C)stage III.
D)stage IV.

Question

Quizplus · Accepted Answer

Stage IV is the deepest stage of sleep, also known as slow wave or delta sleep. During this stage, brain activity significantly decreases, and it is difficult to wake a person. It is also the stage where the body repairs and regenerates its tissues. Stages I-III are lighter stages of sleep. Stage VI is not a recognized stage of sleep.

The Deepest Stage of Sleep Is Experienced During