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CLASSIFICATION OF SLEEP DISORDERS

Sleep disorders can be classified into several categories based on their underlying causes or symptoms. Here's a classification of sleep disorders:

1. Insomnia Disorders:

Primary Insomnia:

Insomnia not attributed to any underlying medical, psychiatric, or environmental cause.

Insomnia Due to Medical Condition:

Insomnia resulting from a coexisting medical condition.

Insomnia Due to Substance or Medication:

Insomnia caused by use of substances such as drugs, alcohol, or certain medications.

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2. Sleep-Related Breathing Disorders:

Obstructive Sleep Apnea:

Partial or complete obstruction of the upper airway during sleep, leading to breathing disruptions.

Central Sleep Apnea:

Absence of respiratory effort during sleep due to a lack of appropriate signals from the brain.

Sleep-Related Hypoventilation Disorders:

Abnormally low ventilation during sleep, resulting in increased carbon dioxide levels.

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3. Central Disorders of Hypersomnolence:

Narcolepsy:

Excessive daytime sleepiness, sudden sleep attacks, and other symptoms such as cataplexy, sleep paralysis, and hallucinations.

Idiopathic Hypersomnia:

Excessive daytime sleepiness without cataplexy or other symptoms of narcolepsy.

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4. Circadian Rhythm Sleep-Wake Disorders:

Delayed Sleep-Wake Phase Disorder:

A tendency to have a delayed sleep-wake pattern, going to bed and waking up much later than desired.

Advanced Sleep-Wake Phase Disorder:

A tendency to have an advanced sleep-wake pattern, going to bed and waking up much earlier than desired.

Shift Work Sleep Disorder:

Difficulty adjusting to work schedules that rotate or are outside the typical daytime hours.

Irregular Sleep-Wake Rhythm Disorder:

Lack of a regular sleep-wake pattern, with multiple sleep periods throughout the day and night.

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5. Parasomnias:

REM Sleep Behavior Disorder:

Acting out dreams during REM sleep due to a loss of normal muscle atonia.

Sleepwalking:

Walking or performing complex behaviours while asleep.

Sleep Terrors:

Episodes of intense fear or dread, often accompanied by screaming or other signs of agitation.

Nightmares:

Disturbing dreams that cause feelings of fear, terror, or anxiety.

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6. Sleep-Related Movement Disorders:

Restless Legs Syndrome (RLS):

Uncomfortable sensations in the legs, leading to an irresistible urge to move.

Periodic Limb Movement Disorder (PLMD):

Repetitive leg movements during sleep, which can cause sleep disruptions.

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7. Other Sleep Disorders:

Sleep-Related Eating Disorder:

Consuming food while asleep, often with no memory of the episode.

Bruxism:

Teeth grinding or clenching during sleep.

Hypersomnia Due to a Medical Condition:

Excessive daytime sleepiness caused by an underlying medical condition.

It's important to consult a healthcare professional for an accurate diagnosis and appropriate treatment if you suspect you have a sleep disorder.

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