What is generally associated with non-REM sleep

A)  nightmares 
B)  rapid eye movements 
C)  night terrors 
D)  dreams

Non-REM Sleep

A state of sleep that includes all sleep stages except for REM (rapid eye movement) sleep, characterized by slower brain waves and reduced brain activity.

Night Terrors

A sleep disorder causing feelings of panic or dread, typically occurring in children during non-REM sleep.

Rapid Eye Movements

Quick, simultaneous movements of both eyes in the same direction, which occur in phases of sleep associated with vivid dreaming.