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What is periodic limb movement disorder (PLMD)?

Many people with restless legs syndrome (RLS) also have a related sleep disorder called periodic limb movement disorder (PLMD). This disorder is characterized by involuntary jerking or bending leg movements that typically occur every 20 to 40 seconds during sleep. Some people experience hundreds of such movements a night. They may wake up, sleep fitfully or disturb their partner's sleep. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.