In which stage of sleep do the slowest brain waves occur

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

Slowest Brain Waves

Refer to Delta waves, which are prominent during deep sleep and in very young children, indicating the slowest type of brainwave activity.

Stage 4 Sleep

The deepest phase of sleep, characterized by slow brain waves, during which the body recovers and grows.

REM

Rapid Eye Movement, a distinct phase of sleep associated with vivid dreaming and increased brain activity.