We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe nature of spontaneous sleep across adulthood.AuthorsCampbell SS; Murphy PJPublicationJournal of sleep research, 2007, Vol 16, Issue 1, p24ISSN0962-1105Publication typearticleDOI10.1111/j.1365-2869.2007.00567.x