Introduction: Rapid Eye Movement Sleep Behavior Disorder (RBD) and hyposmia are common in synucleinopathies and they tend to occur in connection to the prodromal development of these disorders. In this study, we sought to determine the prevalence of RBD and hyposmia and the timeline of their occurrence in a large cohort of Moroccan patients.
Methods: We recruited 774 consecutive patients with synucleinopathy and tauopathy at Ibn Rochd University Hospital of Casablanca.