Ane Murueta-Goyena

Dec 6, 2023 | frontiersin.org | Robert Petersen |Ane Murueta-Goyena |Keisuke Suzuki

IntroductionParkinson’s disease (PD) is the second most common neurodegenerative disease, with more than 8.5 million individuals suffering from PD worldwide (Grover et al., 2022). Excessive daytime sleepiness (EDS) is a frequent nonmotor symptoms in PD patients, affecting up to 20–60% of PD patients (Liu et al., 2022). EDS mainly manifests as the inability to stay awake and alert during typical waking periods, leading to unintended lapses into drowsiness or sleep states (Liu et al., 2022).