About the Authors

Isabelle Jaussent

Affiliations Inserm, U1061, Montpellier, France, Université Montpellier 1, Montpellier, France

Jean-Philippe Empana

Affiliation Paris Cardiovascular Research Centre (PARCC), University Paris Descartes, Sorbonne Paris Cité, UMR-S970, Paris, France

Marie-Laure Ancelin

Affiliations Inserm, U1061, Montpellier, France, Université Montpellier 1, Montpellier, France

Alain Besset

Affiliations Inserm, U1061, Montpellier, France, Université Montpellier 1, Montpellier, France

Catherine Helmer

Affiliations Inserm, U897, Bordeaux, France, Université Victor Segalen Bordeaux 2, ISPED, Bordeaux, France

Christophe Tzourio

Affiliations Inserm, U897, Bordeaux, France, Université Victor Segalen Bordeaux 2, ISPED, Bordeaux, France

Karen Ritchie

Affiliations Inserm, U1061, Montpellier, France, Université Montpellier 1, Montpellier, France, Faculty of Medicine, Imperial College, London, United Kingdom

Jean Bouyer

Affiliations Inserm, CESP Centre for research in Epidemiology and Population Health, U1018, Reproduction and Child Development, Villejuif, France, Univ Paris Sud, UMR-S1018, Villejuif, France

Yves Dauvilliers

ydauvilliers@yahoo.fr

Affiliations Inserm, U1061, Montpellier, France, Université Montpellier 1, Montpellier, France, CHU Montpellier, Service de Neurologie, Unité des Troubles du Sommeil, Hôpital Gui-de-Chauliac, Montpellier, France

Competing Interests

Isabelle Jaussent, Dr. Jean Bouyer, Dr. Marie-Laure Ancelin, Dr. Catherine Helmer and Dr. Alain Besset report no disclosures. Dr. Jean-Philippe Empana has received consultancy honoraria from Lundbeck and speaker honoraria from Pfizer. Dr. Karen Ritchie serves on scientific advisory boards for the Biomedical Research Centre, King’s College London, and MRC Strategic Steering Committee (Longitudinal Health and Aging Research Unit); and serves on the editorial advisory boards of the International Journal of Geriatric Psychiatry, Dementia, International Psychogeriatrics, Journal of Clinical and Experimental Gerontology, Psychogeriatrics, Neuronale, Neurologie-Psychiatrie-Gériatrie, and Gerontology. Dr. Christophe Tzourio has received fees from the Fondation Plan Alzheimer, the Fondation de Recherche sur l’Hypertension Artérielle, and the ABBOTT company for participating in scientific committees. He has also received investigator-initiated research funding from the French National Research Agency (ANR) and the Fondation Plan Alzheimer for the 3C study. He serves on the editorial advisory board of Neuroepidemiology, Journal of Hypertension, and Journal of Alzheimer’s disease. Pr. Yves Dauvilliers has received funds for speaking and board engagements with UCB pharma, Cephalon, Jazz, Novartis, and Bioprojet. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Revised the manuscript: CH CT KR. Conceived and designed the experiments: IJ JB YD. Performed the experiments: IJ MLA YD. Analyzed the data: IJ JPE MLA AB JB YD. Contributed reagents/materials/analysis tools: IJ JB MLA YD. Wrote the paper: IJ YD.