1. Sleep and EEG, Neurophysiology Unit, Neurology Department, CHU University Hospital and UMR 6602-Université Clermont Auvergne, CNRS, Institute Pascal , Clermont-Ferrand , France
2. Sleep Disorder Center, Department of Medical Science and Public Health, University of Cagliari , Cagliari , Italy
3. Neurology Department, CHU University Hospital and UMR 6602-Université Clermont Auvergne, CNRS, Institute Pascal , Clermont-Ferrand , France
4. Biostatistics Unit, Department of Clinical Research and Innovation Direction (DRCI), CHU Clermont-Ferrand , France
5. Sleep Research Centre, Department of Neurology I.C., Oasi Research Institute – IRCCS , Troina , Italy