The stage of sleep in which the slowest brain waves occur is
A) stage 1.
B) stage 2.
C) REM.
D) stage 4.

Question

Quizplus · Accepted Answer

Stage 4 is also known as delta sleep or slow-wave sleep, characterized by the slowest brain waves (delta waves) and the deepest level of sleep. Stage 1 and stage 2 have faster brain waves and are considered light sleep stages. REM (rapid eye movement) is a unique stage of sleep characterized by brain activity similar to waking states, rapid eye movements, and muscle paralysis.

The Stage of Sleep in Which the Slowest Brain Waves