"I think they did a good job of defining some of the reasons why this association exists, but what they don't mention is who was treated for restless legs and who wasn't," Bernbaum said. "If you could avoid the sleep disruption, would the mortality risk be the same?"
Both experts said the main message from the study is that anyone with symptoms of restless legs syndrome should see their doctor. If you have an iron deficiency, iron supplements can help. There are also other treatments available for people who don't have an iron deficiency.
Learn more about restless legs syndrome from the National Institute of Neurological Disorders and Stroke.
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