Why does consciousness fade in early sleep?

by Tononi, G and Massimini, M
Reference:
G. Tononi, M. Massimini, "Why does consciousness fade in early sleep?", Ann N Y Acad Sci, vol. 1129, 2008, pp. 330-334.
Bibtex Entry:
@article{RN167,
   author = {Tononi, G and Massimini, M},
   title = {Why does consciousness fade in early sleep?},
   journal = {Ann N Y Acad Sci},
   volume = {1129},
   pages = {330-334},
   ISSN = {0077-8923 (Print)},
   DOI = {10.1196/annals.1417.024},
   year = {2008},
   type = {Journal Article},
   keywords = {IIT, integrated information theory},
}