Restless Legs Syndrome

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PLMD/RLS Causes

The causes of Periodic limb movement disorder (PLMD) and restless legs syndrome (RLS) are unknown. The vast majority of PLMD and RLS cases occur independently of other disease processes. It is certain that these conditions often cause insomnia, and some research shows that they might also be caused by other sleep disturbances. This is not likely, however, as PLMD and RLS have not been found to a significant degree in most cases of sleep apnea, which seems to precipitate man...Read the full article