Abstract: A method for relieving, treating, improving or attenuating one or more symptoms of RLS and related movement disorders such as PLMS, and snoring ICSD 780.53-1 is disclosed. The method includes the administration to a host afflicted with RLS or related disorder a pharmaceutically effective amount of a modafinil compound or a related compound. The method of the present invention is to treat a host to reduce or diminish snoring, the unpleasant leg sensations associated with unwanted leg movements and to diminish or eliminate the unwanted, involuntary leg movements at rest, awake or asleep, typically occurring in the evenings and at night.