Sleep Disturbances in Patients with Parkinson’s Disease

Abstract

Parkinson’s disease (PD) is a chronic neurodegenerative disorder having various motor and non-motor symptoms in nature. Sleep disturbance is one of major category of non-motor manifestation and exist throughout the disease course from premotor to advanced motor stages in PD. It is essential to understand pathophysiologic basis, etiologies, and clinical presentation of various sleep problems as this is important determinant of quality of life in patients with PD.