Restless legs syndrome (RLS) is a condition that causes a very strong urge to move the legs. The urge to move usually is caused by an uncomfortable feeling in the legs. It typically happens in the evening or at night when sitting or lying down. Moving eases the discomfort for a short time. Restless legs syndrome can begin at any age and tends to get worse with age. It can disrupt sleep, which interferes with daily activities. RLS also is known as Willis-Ekbom disease.

The chief symptom an urge to move the legs, and commonly experienced as uncomfortable sensations in the legs that begin while resting, for example after you've been lying down or sitting for an extended time. Their is usually relief with movement, stretching, jiggling the legs, pacing or walking. Often there is an worsening of symptoms in the evening or especially during the at night.

Restless legs syndrome may be associated with another, more common condition called periodic limb movement of sleep. This condition causes the legs to twitch and kick during sleep, possibly throughout the night. People typically describe RLS symptoms as compelling, unpleasant feelings in the legs or feet. They usually happen on both sides of the body. Less commonly, the sensations affect the arms.

The sensations are felt within the leg rather than on the skin, and often described with words like crawling, creeping, pulling, throbbing, aching, itching, electric. It is most often described as the desire to move the legs.

Chinese Medicine treatments, such as Acpuncture and Chinese Herbal Medicine can have beneficial effects in treating Restless Leg Syndrome.