An inability to fall or stay asleep without a known cause is

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Idiopathic insomnia is a type of chronic insomnia where there is no known cause of the sleep disturbance. This differs from other types of insomnia that can be attributed to factors such as medical conditions, medications, or environmental factors. Narcolepsy is a sleep disorder characterized by excessive daytime sleepiness and sudden onset of sleep, often triggered by intense emotions. Somnambulism, also known as sleepwalking, is a parasomnia where a person walks or performs other complex actions while still asleep. Somatoform disorder is a mental disorder characterized by physical symptoms without a clear medical explanation.

An Inability to Fall or Stay Asleep Without a Known