Résumé : This Article contains errors. The Acknowledgements section in this Article is incomplete. “This work was supported by a grant of the Fonds de la Recherche Scientifique (FRS-FNRS, Belgium: CREDIT DE RECHERCHE: n° 29149840) - project “The role of slow sleep oscillations and associated brain connectivity mechanisms in memory consolidation and executive functions”. We would also like to thank Prof M. J. Taylor for her precious help in proofreading the manuscript.”.