Classification of sleep disorders

The classification of sleep disorders is an organized system used by healthcare professionals and researchers to categorize the various types of sleep disorders. Sleep disorders are conditions that impact the quality, timing, or duration of sleep and can have a significant effect on an individual's health and well-being. The classification system helps in understanding, diagnosing, and treating sleep disorders.

International Classification of Sleep Disorders

The International Classification of Sleep Disorders (ICSD) is the primary system used to classify sleep disorders. Developed by the American Academy of Sleep Medicine (AASM), the ICSD is regularly updated to reflect the latest understanding of sleep disorders. The most recent edition, ICSD-3, groups sleep disorders into seven major categories:

• Insomnias
• Sleep-related breathing disorders
• Central disorders of hypersomnolence
• Circadian rhythm sleep-wake disorders
• Parasomnias
• Sleep-related movement disorders
• Other sleep disorders

Diagnostic and Statistical Manual of Mental Disorders

The Diagnostic and Statistical Manual of Mental Disorders (DSM) is a classification system used by mental health professionals to diagnose psychiatric disorders. The DSM also includes a section on sleep disorders, which largely aligns with the ICSD. The most recent edition, DSM-5, categorizes sleep disorders into the following groups:

• Insomnia disorder
• Hypersomnolence disorder
• Narcolepsy
• Breathing-related sleep disorders
• Circadian rhythm sleep-wake disorders
• Non-rapid eye movement (NREM) sleep arousal disorders
• Nightmare disorder
• Rapid eye movement (REM) sleep behavior disorder
• Restless legs syndrome
• Substance/medication-induced sleep disorder

Common Sleep Disorders

Some of the most common sleep disorders include:

• Insomnia: Difficulty falling or staying asleep, often resulting in poor sleep quality and daytime fatigue.
• Obstructive Sleep Apnea: A sleep-related breathing disorder characterized by repetitive pauses in breathing due to airway blockage.
• Narcolepsy: A chronic neurological disorder marked by excessive daytime sleepiness and sudden episodes of sleep.
• Restless Legs Syndrome: A sleep-related movement disorder characterized by an overwhelming urge to move the legs, often accompanied by uncomfortable sensations.
• Circadian Rhythm Sleep Disorders: A group of sleep disorders that result from disruptions to the body's internal clock, leading to sleep disturbances.

See Also

• Sleep
• Sleep Disorders
• American Academy of Sleep Medicine
• Polysomnography

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