Restless legs syndrome

Restless leg syndrome (Willis-Ekbom disease)

In the majority of cases, there's no obvious cause of restless legs syndrome. This is known as idiopathic or primary restless legs syndrome, and it can run in families.

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About restless leg syndrome

Restless legs syndrome is a disorder that causes an overwhelming and often unpleasant urge to move your legs (or arms). The urge to move often occurs in the evening when you’re resting or lying down and is usually due to uncomfortable, tingly, aching, or creeping sensations. Movement such as walking or stretching will often relieve these feelings.

Common signs and symptoms of restless legs syndrome include:

Uncomfortable sensations deep within the legs, accompanied by a strong urge to move them
The leg sensations are triggered by rest and get worse at night
The uncomfortable sensations temporarily get better when you move, stretch, or massage your legs
Repetitive cramping or jerking of the legs during sleep