Nightmare Disorder

On October 3, 2011, in Glossary, Nightmare Disorder, Parasomnias, Sleep Disorders, by admin

Nightmare disorder, or dream anxiety disorder, is a sleep disorder characterized by frequent nightmares. The nightmares, which often portray the individual in a situation that jeopardizes their life or personal safety, usually occur during the second half of the sleeping process, called the REM stage. Though such nightmares occur within many people, those with nightmare disorder experience them with a [...]

Parasomnia

On October 3, 2011, in Glossary, Parasomnias, Sleep Disorders, by admin

Parasomnias are a category of sleep disorders that involve abnormal and unnatural movements, behaviors, emotions, perceptions, and dreams that occur while falling asleep, sleeping, between sleep stages, or during arousal from sleep. Most parasomnias are dissociated sleep states which are partial arousals during the transitions between wakefulness and NREM sleep, or wakefulness and REM sleep. Parasomnias Nightmare Disorder Night terror Sleepwalking [...]

Night terror

On October 3, 2011, in Glossary, Night terror, Parasomnias, Sleep Disorders, by admin

A night terror, also known as a sleep terror or pavor nocturnus, is a parasomnia disorder that predominantly affects children, causing feelings of terror or dread. Night terrors should not be confused with nightmares, which are bad dreams that cause the feeling of horror or fear. An estimated 1-6% of children have at least one night terror in their life but have no [...]

Sleepwalking

On October 3, 2011, in Glossary, Parasomnias, Sleep Disorders, Sleepwalking, by admin

Sleepwalking, also known as somnambulism, is a sleep disorder belonging to the parasomnia family. Sleepwalkers arise from the slow wave sleep stage in a state of low consciousness and perform activities that are usually performed during a state of full consciousness. These activities can be as benign as sitting up in bed, walking to the bathroom, and cleaning, or as hazardous as cooking, [...]