1. Department of Biomedical and Neuromotor Sciences University of Bologna Bologna Italy
2. IRCCS Istituto delle Scienze Neurologiche di Bologna Bologna Italy
3. Sleep‐Wake Disorders Unit, Department of Neurology Gui‐de‐Chauliac Hospital, CHU Montpellier Montpellier France
4. National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia, and Kleine‐Levin Syndrome Montpellier France
5. Institute for Neurosciences of Montpellier University of Montpellier, INSERM Montpellier France
6. Department of Biomedical, Metabolic and Neural Sciences University of Modena and Reggio Emilia Modena Italy