"The Restless Legs Syndrome Foundation estimates that up to 8 percent of the population suffers with restless legs syndrome (RLS). The hallmark of this neurologic disorder is an irresistible urge to move, most commonly at night. It causes uncomfortable sensations often described as creeping, crawling, tugging, burning, or aching feelings in the calves, feet, thighs, and arms. These disruptive symptoms vary in severity and can result in difficulty...