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Sleep and Aging
Frequently Asked Questions
17. What are the symptoms of periodic limb
movement disorder?
Periodic limb movement disorder, or PLMD, is a condition that
causes people to jerk and kick their legs every 20 to 40 seconds
during sleep. PLMD often disrupts sleep -- not only for the patient
but the bed partner as well. One study found that roughly 40
percent of older adults have at least a mild form of PLMD.
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