10 Causes of Hypersomnia
Cause #10: Sleep Movement Disorders
Sleep movement disorders can result in secondary hypersomnia. Examples of sleep movement disorders include periodic limb movement disorder and restless legs syndrome. In restless legs syndrome, it is a condition where there is a strong urge to move the legs due to the unpleasant feeling in the legs which can be described as tingling, aching, or crawling.
These feelings occur at rest and generally make it hard for affected patients to sleep resulting in daytime sleepiness, depressed mood, low energy, and irritability. Patients can also experience limb twitching while sleeping.
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