According to the National Institute of Health (NIH), "untreated moderate to severe RLS can cause a 20% decrease in work productivity and can contribute to depression and anxiety." Other interesting facts about RLS:

• Restless Leg Syndrome tends to worsen with age
• 7-10% of the US population experiences RLS
• RLS has a genetic component and can be found in families where the onset occurs prior to age 40

• Many medications may lose their effectiveness over time and may even make the condition worse

Link to NIH