Which is a major factor regulating sleep?

A) Electrical impulses transmitted to the cerebellum
B) Level of sympathetic nervous system stimulation
C) Amount of sleep a person has become accustomed to
D) Amount of light received through the eyes

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for action by triggering the fight or flight response.

Cerebellum

A region of the brain that plays an important role in motor control, and also contributes to coordination, precision, and timing of movements.

Electrical Impulses

These are rapid, short signals that travel along the nerves, allowing for communication throughout the body.