Last Updated on Mar 11, 2020

Classification of Sleep Disorders - Restless Legs Syndrome (RLS)

Restless Leg Syndrome (RLS) is a sleep disorder that causes an irresistible urge to move the legs (or arms) while asleep.

Sleep is disturbed, as a result of these abnormal movements. RLS is estimated to affect nearly 5% of the population.

This urge to move the legs is usually, but not always, due to uncomfortable, tingly, aching, or creeping sensations.

Symptoms of restless legs syndrome include-

  • Uncomfortable sensations in legs, accompanied by a strong urge to move them.
  • The discomfort a person experiences while resting is relieved only on moving the legs, or on stretching, or massaging the legs.
  • The sensations are triggered by rest and worsen at night.
  • Tiredness and fatigue due to lack of nocturnal sleep.
  • Extreme drowsiness during the daytime.

Treatment of restless legs syndrome include-

  • Dopamine agonists


  1. Coren, Stanley. Sleep Thieves: An Eye-Opening Exploration into the Science and Mysteries of Sleep. New York: The Free Press; 1996, p. 287.
  2. Sleep Disorders - (


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I am 66 years old woman. Lately I am experiencing that in the middle of the night I am howling due to some terrible nightmare, generally I realise in sleep that I am howling, I get awakened, mostly am unable to recall the dream sequence, but a general feeling of dread is there. It is disturbing my family. I am on a drug [ pentoprazole] stomach disorder. Kindly help.

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