AP PSYCHOLOGY

Detailed explanation-1: -Night terrors are a type of non-rapid eye movement sleep arousal disorder in which a person who is sleeping appears to wake in a terrified state.

Detailed explanation-2: -Insomnia, in which you have difficulty falling asleep or staying asleep throughout the night. Sleep apnea, in which you experience abnormal patterns in breathing while you are asleep. There are several types of sleep apnea. Restless legs syndrome (RLS), a type of sleep movement disorder.

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

Detailed explanation-4: -Sleep terrors are episodes of screaming, intense fear and flailing while still asleep. Also known as night terrors, sleep terrors often are paired with sleepwalking. Like sleepwalking, sleep terrors are considered a parasomnia-an undesired occurrence during sleep.