Study of Sleep Disorders in Prodromal and Definite Parkinsons Disease

Inclusion Criteria

• •Common to all groups:
• •Age superior 18 years
• •Patients who have received complete information about the study from an investigator and who fully consent to participate.
• •For Parkinson Disease (PD):
• •Patients followed for PD diagnosed according to international criteria for the diagnosis of PD (MDS criteria),
• •A MoCA score greater than 20/30
• •No treatment with deep brain stimulation.
• •For REM Sleep Behavior Disorder (RBD):
• •Diagnosis of RBD according to ICSD-3 criteria: presence on polysomnography of an abnormal elevation of muscle tone during REM sleep (more than 18% of REM sleep without chin atonia) and/or the presence of REM sleep behaviors on video-polysomnography,
• •Absence of progressive neurodegenerative pathology: absence of diagnostic criteria for PD, multiple system atrophy, or Lewy body dementia.
• •For healthy controls:
• •\- No neurological or psychiatric disease