Sleep · Condition
Restless Leg Syndrome
Restless Legs Syndrome (RLS) is an irresistible urge to move the legs, usually
with uncomfortable sensations that strike in the evening and at rest.
What is Restless Leg Syndrome?
Restless Legs Syndrome (RLS) is an irresistible urge to move the legs, usually with uncomfortable sensations that strike in the evening and at rest. It can make falling asleep difficult and fragment your night. Simple changes and, when needed, medication bring real relief for most people.
Causes & risk factors
Iron & dopamine
Low iron and changes in dopamine signaling are linked to RLS.
Genetics
It often runs in families.
Other factors
Pregnancy, kidney disease, and some medications.
Recognize These in Yourself or
Someone You Love?
Symptoms
An urge to move the legs, often with
crawling sensations
Symptoms worse in the evening and at rest
Relief with movement
Difficulty falling asleep
Daytime tiredness
How we diagnose it
RLS is diagnosed largely from your history; we check for contributing factors like low iron and screen for other sleep disorders.
Frequently asked questions
Why is it worse at night?
RLS follows a daily rhythm, peaking in the evening and at rest — exactly when it interferes with sleep.
Is it related to leg cramps?
No. Cramps are painful muscle contractions; RLS is an urge to move, with uncomfortable sensations relieved by movement.
