1. Department of Clinical Psychology and Psychophysiology, Centre for Mental Health (Department), Medical Center – University of Freiburg, Faculty of Medicine University of Freiburg Freiburg Germany
2. Center for Basics in NeuroModulation (NeuroModulBasics), Faculty of Medicine University of Freiburg Freiburg Germany
3. Sleep and Circadian Neuroscience Institute, Nuffield Department of Clinical Neuroscience at the University of Oxford Oxford UK
4. Université de Bordeaux Bordeaux France
5. Reykjavik University Sleep Institute, School of Technology, Reykjavik University Reykjavik Iceland
6. Landspitali – The National University Hospital of Iceland Reykjavik Iceland
7. Human Sciences Department University of Rome Guglielmo Marconi Rome Rome Italy
8. Department of Neurology, Inselspital University of Bern Berne Switzerland
9. École de Psychologie Université Laval Québec Québec Canada
10. Psychiatric Practice Riga Latvia
11. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
12. First Department of Psychiatry, Medical School National and Kapodistrian University of Athens Athens Greece
13. Institute of Clinical Neurophysiology University Medical Center Ljubljana Ljubljana Slovenia
14. Northumbria Sleep Research Laboratory Northumbria University Newcastle UK
15. Sleep Research Institute Madrid Spain
16. Department of Psychiatry Paris Cite University Paris France
17. Stavanger University Hospital Stavanger Norway
18. Centro de Medicina de Sono Hospital Cuf Porto Portugal
19. University Hospital of Psychiatry and Psychotherapy University of Bern Bern Switzerland
20. Centre for Cognitive Neurosciences University of Salzburg Salzburg Austria
21. East‐Viru Central Hospital Kohtla‐Järve Estonia
22. Institute for Consciousness and Dream Research Vienna Austria
23. Center for Sleep and Chronobiology Research, National Institute of Mental Health Klecany Czech Republic
24. Division of Psychology, Department of Clinical Neuroscience Karolinska Institutet Stockholm Sweden
25. Centre for Psychiatry Research, Department of Clinical Neuroscience Karolinska Institutet, Stockholm, Sweden and Stockholm Health Care Services Stockholm Sweden
26. Finnish Institute of Occupational Health Helsinki Finland
27. Department of Clinical Medicine University of Copenhagen Kobenhavn Denmark
28. Department of Neurology and Neurosurgery Armenian National Institute of Health Yerevan Armenia
29. Department of Clinical Psychology University of Amsterdam Amsterdam The Netherlands
30. Université Paris Cité, APHP, Hôtel Dieu de Paris, Centre du Sommeil et de la Vigilance Paris France
31. Functional Neurology, Institute of Neurology and Neurosurgery Chisinau Moldova
32. Department of Education and Psychology University of Aveiro Aveiro Portugal
33. CINEICC – Center for Research in Neuropsychology and Cognitive Behavioral Intervention, Faculty of Psychology and Educational Sciences University of Coimbra Coimbra Portugal
34. Department of Psychiatry University Hospital Geneve Geneve Switzerland
35. Psychiatry Unit, Department of Clinical and Experimental Medicine, School of Medicine University of Pisa Pisa Italy
36. Department of Psychiatry and SleepWell Research Program, Faculty of Medicine University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland; Public Health and Welfare, Finnish Institute for Health and Welfare Helsinki Finland
37. Department of Internal Medicine and Pediatrics Ghent University Ghent Belgium
38. The Cheryl Spencer Institute of Nursing Research University of Haifa Haifa Israel
39. Institute of Epidemiology and Social Medicine University of Münster Münster Germany
40. Department of Sleep and Cognition Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences Amsterdam The Netherlands
41. Departments of Integrative Neurophysiology and Psychiatry, Center for Neurogenomics and Cognitive Research Amsterdam UMC, Amsterdam Neuroscience, VU University Amsterdam The Netherlands
42. Department of Clinical, Neuro‐ and Developmental Psychology & Amsterdam Public Health Research Institute Vrije Universiteit Amsterdam Amsterdam The Netherlands
43. Sleep Medicine Center and Third Department of Psychiatry, Institute of Psychiatry and Neurology Warsaw Poland
44. Multidisciplinary Sleep Disorders Centre Antwerp University Hospital and University of Antwerp Antwerp Belgium