AP PSYCHOLOGY

Detailed explanation-1: -Non rapid eye movement (NREM) parasomnias are abnormal behaviors arising primarily but not exclusively during non-REM stage three (N3) sleep. Phenotypes include sleepwalking, sleep terrors, confusional arousals, sexsomnia, and sleep-related eating disorder (SRED).

Detailed explanation-2: -Disorders of arousal from non-rapid eye movement (NREM) sleep are parasomnias that include confusional arousals, sleepwalking, sleep terrors, and their variants.

Detailed explanation-3: -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-4: -Nightmare disorder is when nightmares happen often, cause distress, disrupt sleep, cause problems with daytime functioning or create fear of going to sleep.