RECOVER ( NCT00474058 ) , a double-blind , placebo-controlled trial in patients with Parkinson 's disease ( PD ) and unsatisfactory early-morning motor symptom control , demonstrated significant improvements with rotigotine in early-morning motor function ( Unified Parkinson 's Disease Rating Scale [ UPDRS ] III ) , and nocturnal sleep disturbances ( modified Parkinson 's Disease Sleep Scale [ PDSS-2 ] ) , and improvements in nonmotor symptoms ( NMS ; Non-Motor Symptom Scale [ NMSS ] ) .