Restless legs syndrome
Restless legs syndrome is a nervous system condition that causes an irresistible urge to move your legs, usually while you are resting or sleeping.
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Restless legs syndrome, often called RLS, is a condition that primarily affects the legs, though it can sometimes involve the arms. It creates a feeling that your legs simply cannot stay still, especially when you are trying to relax in the evening or fall asleep.
While the exact reason it happens is not fully understood, doctors believe it is related to how the brain uses a chemical called dopamine, which is a substance that helps control muscle movement. When there is an imbalance of this chemical, the nervous system sends signals that result in the urge to move your limbs.
Common Symptoms
- An overwhelming urge to move your legs, often accompanied by uncomfortable sensations.
- Sensations described as crawling, pulling, tugging, throbbing, or aching deep inside the legs.
- Symptoms that get worse when you are sitting or lying down for long periods.
- Temporary relief when you stretch or walk around.
- Symptoms that are much more noticeable at night than during the day.