Dorsey ER, Elbaz A, Nichols E et al (2018) Global, regional, and national burden of Parkinson’s disease, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016. Lancet Neurol 17:939–953. https://doi.org/10.1016/S1474-4422(18)30295-3

Article  Google Scholar 

Pringsheim T, Jette N, Frolkis A, Steeves TDL (2014) The prevalence of Parkinson’s disease: a systematic review and meta-analysis. Mov Disord 29:1583–1590. https://doi.org/10.1002/mds.25945

Article  PubMed  Google Scholar 

Ou Z, Pan J, Tang S et al (2021) Global trends in the incidence, prevalence, and years lived with disability of Parkinson’s disease in 204 countries/territories from 1990 to 2019. Front Public Health 9:776847. https://doi.org/10.3389/fpubh.2021.776847

Article  PubMed  PubMed Central  Google Scholar 

Zheng Z, Zhu Z, Zhou C et al (2023) Burden of Parkinson disease in China, 1990–2019: findings from the 2019 global burden of disease study. Neuroepidemiology 57:51–64. https://doi.org/10.1159/000527372

Article  PubMed  Google Scholar 

Willis AW, Roberts E, Beck JC et al (2022) Incidence of Parkinson disease in North America. npj Parkinsons Dis 8:170. https://doi.org/10.1038/s41531-022-00410-y

Article  PubMed  PubMed Central  CAS  Google Scholar 

Berg D, Borghammer P, Fereshtehnejad S-M et al (2021) Prodromal Parkinson disease subtypes — key to understanding heterogeneity. Nat Rev Neurol 17:349–361. https://doi.org/10.1038/s41582-021-00486-9

Article  PubMed  Google Scholar 

Sveinbjornsdottir S (2016) The clinical symptoms of Parkinson’s disease. J Neurochem 139:318–324. https://doi.org/10.1111/jnc.13691

Article  PubMed  CAS  Google Scholar 

Nalls MA, Blauwendraat C, Vallerga CL et al (2019) Identification of novel risk loci, causal insights, and heritable risk for Parkinson’s disease: a meta-analysis of genome-wide association studies. Lancet Neurol 18:1091–1102

Article  PubMed  PubMed Central  CAS  Google Scholar 

John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, UK, Kouli A, Torsney KM et al (2018) Parkinson’s Disease: etiology, neuropathology, and pathogenesis. In: John Van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, UK, Stoker TB, Greenland JC, John Van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, UK (eds) Parkinson’s Disease: Pathogenesis and Clinical Aspects. Codon Publications, pp 3–26

Nerius M, Doblhammer G, Tamgüney G (2020) GI infections are associated with an increased risk of Parkinson’s disease. Gut 69:1154–1156

Article  PubMed  Google Scholar 

Huang Z, Zhan S, Li N et al (2012) Abnormal recovery function of somatosensory evoked potentials in patients with primary insomnia. Psychiatry Res 198:463–467. https://doi.org/10.1016/j.psychres.2011.11.024

Article  PubMed  Google Scholar 

Hely MA, Reid WGJ, Adena MA et al (2008) The Sydney multicenter study of Parkinson’s disease: the inevitability of dementia at 20 years. Mov Disord 23:837–844. https://doi.org/10.1002/mds.21956

Article  PubMed  Google Scholar 

Pavlova KM, Latreille V (2019) Sleep disorders. Am J Med 132:292–299. https://doi.org/10.1016/j.amjmed.2018.09.021

Article  Google Scholar 

Shen Y, Liu C-F (2018) Sleep disorders in Parkinson’s disease: present status and future prospects. Chin Med J 131:883–885. https://doi.org/10.4103/0366-6999.229903

Article  PubMed  PubMed Central  Google Scholar 

Stefani A, Högl B (2020) Sleep in Parkinson’s disease. Neuropsychopharmacol 45:121–128. https://doi.org/10.1038/s41386-019-0448-y

Article  Google Scholar 

Barone P, Antonini A, Colosimo C et al (2009) The PRIAMO study: a multicenter assessment of nonmotor symptoms and their impact on quality of life in Parkinson’s disease. Mov Disord Off J Mov Disord Soc 24:1641–1649

Article  Google Scholar 

Loddo G, Calandra-Buonaura G, Sambati L et al (2017) The treatment of sleep disorders in Parkinson’s disease: from research to clinical practice. Front Neurol 8:42. https://doi.org/10.3389/fneur.2017.00042

Article  PubMed  PubMed Central  Google Scholar 

Chahine LM, Amara AW, Videnovic A (2017) A systematic review of the literature on disorders of sleep and wakefulness in Parkinson’s disease from 2005 to 2015. Sleep Med Rev 35:33–50. https://doi.org/10.1016/j.smrv.2016.08.001

Article  PubMed  Google Scholar 

Ohayon MM, O’Hara R, Vitiello MV (2012) Epidemiology of restless legs syndrome: a synthesis of the literature. Sleep Med Rev 16:283–295. https://doi.org/10.1016/j.smrv.2011.05.002

Article  PubMed  Google Scholar 

Mahmood Z, Van Patten R, Nakhla MZ et al (2020) REM sleep behavior disorder in Parkinson’s disease: effects on cognitive, psychiatric, and functional outcomes. J Int Neuropsychol Soc 26:894–905. https://doi.org/10.1017/S1355617720000430

Article  PubMed  PubMed Central  Google Scholar 

Schrempf W, Brandt MD, Storch A, Reichmann H (2014) Sleep disorders in Parkinson’s disease. J Park Dis 4:211–221. https://doi.org/10.3233/JPD-130301

Article  CAS  Google Scholar 

Sateia MJ (2014) International Classification of Sleep Disorders-Third Edition. Chest 146:1387–1394. https://doi.org/10.1378/chest.14-0970

Article  PubMed  Google Scholar 

Gjerstad MD, Wentzel-Larsen T, Aarsland D, Larsen JP (2006) Insomnia in Parkinson’s disease: frequency and progression over time. J Neurol Neurosurg Psychiatry 78:476–479. https://doi.org/10.1136/jnnp.2006.100370

Article  PubMed  PubMed Central  Google Scholar 

Bollu PC, Sahota P (2017) Sleep and Parkinson disease. Mo Med 114:381–386

PubMed  PubMed Central  Google Scholar 

Dodet P, Houot M, Leu-Semenescu S et al (2024) Sleep disorders in Parkinson’s disease, an early and multiple problem. npj Parkinsons Dis 10:46. https://doi.org/10.1038/s41531-024-00642-0

Article  PubMed  PubMed Central  Google Scholar 

Lauretani F, Testa C, Salvi M et al (2023) Clinical evaluation of sleep disorders in Parkinson’s disease. Brain Sci 13:609. https://doi.org/10.3390/brainsci13040609

Article  PubMed  PubMed Central  CAS  Google Scholar 

Xu Z, Anderson KN, Saffari SE et al (2021) Progression of sleep disturbances in Parkinson’s disease: a 5-year longitudinal study. J Neurol 268:312–320. https://doi.org/10.1007/s00415-020-10140-x

Article  PubMed  Google Scholar 

Neikrug AB, Maglione JE, Liu L et al (2013) Effects of sleep disorders on the non-motor symptoms of Parkinson disease. J Clin Sleep Med 09:1119–1129. https://doi.org/10.5664/jcsm.3148

Article  Google Scholar 

Suzuki K, Okuma Y, Uchiyama T et al (2017) Impact of sleep-related symptoms on clinical motor subtypes and disability in Parkinson’s disease: a multicentre cross-sectional study. J Neurol Neurosurg Psychiatry 88:953–959. https://doi.org/10.1136/jnnp-2017-316136

Article  PubMed  Google Scholar 

Shafazand S, Wallace DM, Arheart KL et al (2017) Insomnia, sleep quality, and quality of life in mild to moderate Parkinson’s disease. Annals ATS 14:412–419. https://doi.org/10.1513/AnnalsATS.201608-625OC

Article  Google Scholar 

Liguori C, De Franco V, Cerroni R et al (2021) Sleep problems affect quality of life in Parkinson’s disease along disease progression. Sleep Med 81:307–311. https://doi.org/10.1016/j.sleep.2021.02.036

Article  PubMed  Google Scholar 

Chaudhuri KR (2003) Nocturnal symptom complex in PD and its management. Neurology 61:S17–S23. https://doi.org/10.1212/WNL.61.6_suppl_3.S17

Article  PubMed  CAS  Google Scholar 

Lysen TS, Darweesh SKL, Ikram MK et al (2019) Sleep and risk of parkinsonism and Parkinson’s disease: a population-based study. Brain 142:2013–2022. https://doi.org/10.1093/brain/awz113