Parasomnias – Types, Causes, Epidemiology and Treatment

Definition Parasomnias are a group of sleep disorders marked by unusual actions, activities, or physiological events that occur during sleep or sleep-wake transitions. Parasomnias are divided according to the sleep phase in which the symptoms occur, either rapid eye movement (REM) or non-REM (NREM). Symptoms may include simple or complex …

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Nightmare Disorder – Causes, Treatment and Prevention

Definition Nightmare disorder is a sleep disorder in which frequent disturbing dreams interfere with a person’s ability to function well during the day or cause emotional distress. Nightmares typically occur during a phase of sleep called rapid eye movement (REM) sleep. This phase usually occurs relatively late in the sleep …

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