12-week Polysomnography Study of Ropinirole Controlled Release for Restless Legs Syndrome

Inclusion Criteria

• •provided written informed consent.
• •Diagnosed with primary RLS using the International RLS Study Group Diagnostic Criteria with a total score of 20 or greater on the International RLS (IRLS) Rating Scale and significant sleep disturbance indicated on Item 4 of the IRLS rating scale.
• •Have evening and nighttime symptoms of RLS, significant sleep impairment due to RLS symptoms, and symptoms requiring treatment prior to bedtime, but no earlier than 5:00PM.
• •Sleep efficiency \<85% OR Latency to persistent sleep \>20 minutes.