Restless Leg syndrome (RLS), also known as nocturnal myoclonus, is a type of sleep disorder characterized by uncomfortable sensations in the legs and an uncontrollable desire to move the legs. These abnormal sensations usually occur in the lower legs in the evening or shortly after going to bed. During the early stages of sleep, these episodes of leg movement often last up to an hour.
The abnormal sensations of RLS are quite variable. They have been described as a crawling, creeping, pulling, drawing, tingling, pins and needles, or prickly discomfort. They are not cramping in character. Sometimes these sensations occur in the feet, thighs or even arms. Although RLS is considered to be a sleep disorder, some people also experience these sensations during the day, particularly when lying down. The most important feature of RLS is an overwhelming need to move the legs. Moving the legs provides temporary relief but the abnormal sensations start all over again and the cycle repeats itself.

Symptoms Of Restless Leg Syndrome:

  • an urge to move the legs often
  • uncomfortable feeling in the legs – tingling, creepy, itching, pulling or aching, pins and needles
  • involuntary jerking of the limbs that intensifies in the evening or at night and is relieved by movement
  • difficulty falling or staying asleep
  • chronic sleep loss
  • 80% of people with RLS also suffer from Periodic Limb Movement Disorder (PLMD) – involuntary leg twitching or jerking movements during sleep

Primary RLS

– exact cause of RLS is unknown and not related to other disorders

Secondary RLS

– related to an underlying condition such as kidney failure, pregnancy ,iron deficiency or anemia,Parkinson’s disease, diabetes and certain medications.


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