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What is Restless Legs Syndrome?

Written By: Zulfi Alli RPSGT, RST, Lead Registered Polysomnographic Technologist The Sleep Lab at Kent Hospital on October 7, 2021


Restless Legs Syndrome (RLS), also known as Willis-Ekbom disease, is a nervous system disorder characterized by an irresistible urge to move the legs, especially during rest. Many people with RLS have trouble falling and/or staying asleep.  

RLS affects 5-10% of American adults and 2-4% of children. While RLS can impact individuals of all ages, it tends to be more severe in older adults.  

Restless Leg Symptoms

Symptoms can range from mild to severe, which may be intolerable.  Symptoms of RLS include, but are not limited to:
  • An irresistible urge to move the legs due to uncomfortable sensations.
  • Worsening of the sensations during periods of rest.
  • Temporary relief from discomfort when the legs are moved.
  • Evening and nighttime leg twitching or jerking.

These symptoms can feel like:

  • Itchiness
  • Crawling
  • Throbbing
  • Pins and needles

What Causes Restless Legs Syndrome?

Iron deficiency is one of the main causes of RLS, however, other factors can contribute to RLS, like: 
  • Genetics
  • Underlying medical conditions
  • Medications

Restless Leg Syndrome Triggers

Several things can make RLS symptoms worse.  Some triggers include:
  • Caffeine
  • Alcohol
  • Tobacco
  • Certain medications 

Temperature can also impact RLS.  While hot, humid weather can worsen symptoms for some – others might have issues with the cold.  

RLS Treatments

There is no known cure for RLS, however, there are a variety of treatments that may help including: 
  • Leg massages
  • Hot baths
  • Ice packs
  • Regular exercise
  • Prescription medications

While practicing good sleep habits may not resolve your RLS symptoms, it can offset the sleep you have lost due to this condition. 

Finding a Sleep Specialist

If you tried these tips and are still having trouble sleeping, you may benefit from setting up an appointment for a sleep evaluation with our team.  

Contact our Sleep Medicine Team at Kent Hospital to help you achieve a better night’s sleep. 

Disclaimer: While I am a doctor, I am not your doctor.  The content in this blog is for informational and educational purposes only and should not serve as medical advice, consultation, or diagnosis.  If you have a medical concern, please consult your healthcare provider, or seek immediate medical treatment.