What Is Restless Legs Syndrome? Restless legs syndrome (RLS) is a nervous system disorder that causes an overpowering urge to move your legs. It’s also known as Willis-Ekbom disease, primary RLS, or ...
Restless legs syndrome (RLS) is a sleep disorder that causes a feeling of heaviness and discomfort in the legs, usually after going to bed. Stretching or moving the legs usually helps. It may also ...