Restless legs syndrome is a disorder of the nervous system. Patients with RLS have uncomfortable feelings in their legs; patients say it feels like something is crawling under their skin. Other feelings might include pain, itching, and pins and needles.
These feelings only occur when patients are resting, mostly in the evenings and during sleep. These unpleasant feelings go away when people move their legs. Patients with RLS have a strong urge to keep moving their legs. Patients say they cannot resist the urge to keep moving their legs. When sleeping, leg twitching is common.
About one in 10 people have RLS. It affects people of all ages, but most patients tend to be middle aged. RLS usually worsens with age. More women than men have RLS. Many pregnant women experience RLS, but it usually goes away after the baby is born. Most people with RLS have serious sleep problems. RLS patients are then tired the next day and have problems paying attention to what they are doing. Many patients say they don't have the energy to do the things they like to do.
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