Hot and cold compresses have varied success in the treatment of restless leg syndrome. Moist heat is more effective than dry heat. Some people report success with hot or cold water soaks, or alternating between the two. This can help to relax the muscles and may last into the night, though the effect is usually temporary. This type of treatment could also work due to a placebo effect, but if it helps someone sleep, there's no harm in that. Unfortunately, most RLS treatments are hit or miss since scientists are still in the dark as to what causes restless leg syndrome.
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