AP PSYCHOLOGY

Detailed explanation-1: -Sleep terrors are classified as a parasomnia-an undesirable behavior or experience during sleep. Sleep terrors are a disorder of arousal, meaning they occur during N3 sleep, the deepest stage of non-rapid eye movement (NREM) sleep. Another NREM disorder is sleepwalking, which can occur together with sleep terrors.

Detailed explanation-2: -The cause is unknown but night terrors are often triggered by fever, lack of sleep or periods of emotional tension, stress or conflict. Night terrors are like nightmares, except that nightmares usually occur during rapid eye movement (REM) sleep and are most common in the early morning.

Detailed explanation-3: -Pavor nocturnus is a frightening sleep disorder in which a person becomes terrified during a sleep episode, then has no memory of the event after they fully awake. During a night-terror episode, the person will partially wake up screaming, moaning, or gasping for air.

Detailed explanation-4: -Scary nights Researchers have long known that people who suffer from schizophrenia tend to report night terrors and frequent, terrifying nightmares.