| PD | Parkinson’s disease |
| H&Y | Hoehn & Yahr |
| LEDD | Levodopa equivalent daily dose |
| PDSS-2 | Parkinson’s Disease Sleep Scale |
| SCOPA-sleep | Scales for Outcomes in Parkinson’s Disease—Sleep |
| PSQI | Pittsburgh Sleep Quality Index |
| MDS-UPDRS | Movement Disorders Society Unified Parkinson’s Disease Rating Scale |
| SCOPA-motor | Scales for Outcomes in Parkinson’s Disease—Motor |
| HADS | Hospital Anxiety and Depression Scale |
| PAS | Parkinson’s Anxiety Scale |
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