Restless leg syndrome
Definition
Restless leg syndrome is a sleep disorder characterized by leg discomfort during sleep, which is only relieved by frequent movements of the legs.
Alternative Names
Nocturnal myoclonus; RLSCauses
Restless leg syndrome (RLS) occurs most often in middle-aged and older adults. It is worsened by stress. The cause is not known. RLS may occur more often in patients with peripheral neuropathy, chronic kidney disease, Parkinson's disease, pregnancy, or iron deficiency.
Restless leg syndrome can result in a decreased quality of sleep (insomnia) with subsequent daytime sleepiness, anxiety or depression, and confusion or slowed thought processes from lack of sleep.
References
Goldman L, Ausiello D. Goldman: Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders; 2007.
Kushida CA. Clinical presentation, diagnosis, and quality of life issues in restless legs syndrome. Am J Med. January 2007;120(1 Suppl 1):S4-S12.
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