Understanding What May Be Causing Restless Legs

Restless legs describe an uncomfortable urge to move the legs, often accompanied by unusual sensations such as tingling, crawling, or pulling feelings. These symptoms commonly occur while sitting or lying down and are often worse in the evening or at night.

Many people find temporary relief by moving their legs, stretching, or walking. While restless legs may occur occasionally, persistent symptoms may sometimes be related to circulation problems, nerve conditions, or other underlying factors.

Understanding what may be contributing to these symptoms can help guide the next steps for evaluation and care.

cartoon illustration of restless legs syndrome causing leg movement at night

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What Are Restless Legs?

Restless legs refer to an uncomfortable sensation in the legs that creates a strong urge to move them. These sensations typically occur when the body is at rest, such as while sitting, relaxing, or trying to sleep.

The symptoms often improve temporarily with movement, stretching, or walking. For many people, restless legs are most noticeable in the evening or nighttime hours.

Occasional symptoms may happen due to fatigue or inactivity, but frequent or severe symptoms may sometimes be associated with underlying circulation, nerve, or neurological conditions.

Common Ways Restless Legs May Feel

People experiencing restless legs often describe a variety of unusual sensations in the legs.

Tingling sensation in the legs
Crawling or creeping feelings under the skin
An urge to move the legs while resting
Discomfort that improves with movement
Symptoms that worsen in the evening
Leg sensations that disrupt sleep
Mild aching or throbbing in the legs
Difficulty keeping the legs still

person experiencing numbness and tingling sensation in the legs

diagram showing restless legs syndrome symptoms including aching throbbing itching and crawling sensations

Other Symptoms That May Occur With Restless Legs

Other symptoms can sometimes appear alongside restless legs and may help identify possible underlying causes.

Leg cramps
Leg pain or aching
Muscle fatigue
Cold feet
Numbness or tingling
Difficulty sleeping
Restlessness in the legs during inactivity
Sensations that worsen when sitting for long periods

Possible Causes of Restless Legs

Restless legs may develop for several different reasons. In some cases, symptoms may be linked to circulation problems, nerve irritation, or other medical conditions.

Spider Veins

Small visible veins that commonly appear on the legs.

Varicose Veins

Bulging or visible veins in the legs may indicate circulation problems.

Deep Vein Thrombosis (DVT)

A blood clot that forms in a deep vein of the leg.

Peripheral Neuropathy

Nerve damage affecting the legs may cause numbness, tingling, burning, or weakness.

Peripheral Artery Disease

Narrowed arteries can reduce blood flow to the legs and feet.

Chronic Venous Insufficiency

A condition where leg veins struggle to return blood back to the heart.

Lymphedema

Swelling caused by a buildup of lymph fluid in the tissues.

Nerve Compression

Pressure on nerves can cause tingling, pain, or weakness in the legs.

When Should You See a Specialist?

Occasional restlessness in the legs may not require medical evaluation. However, persistent or worsening symptoms that interfere with sleep or daily activities may be worth discussing with a specialist.

A specialist can help determine whether circulation problems, nerve irritation, or other conditions may be contributing to the symptoms.

Consider getting evaluated if your restless legs:

frequently disrupt sleep
occur most nights
worsen over time
are accompanied by pain or swelling
occur with numbness or tingling
affect one leg more than the other
make it difficult to remain still
interfere with normal activities

vascular specialist evaluating patient during medical consultation

What Happens Next?

A specialist may review your symptoms, evaluate your legs, and determine whether circulation issues, nerve conditions, or other factors may be contributing to the restlessness.

Depending on the situation, additional evaluation may help identify the underlying cause and guide appropriate treatment options.