About the Authors

Namni Goel

goel@mail.med.upenn.edu.

Affiliation Division of Sleep and Chronobiology, Department of Psychiatry, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Siobhan Banks

Current address: Centre for Sleep Research, University of South Australia, Adelaide, South Australia, Australia

Affiliation Division of Sleep and Chronobiology, Department of Psychiatry, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Ling Lin

Affiliation Center for Narcolepsy, Department of Psychiatry and Behavioral Sciences, Howard Hughes Medical Institute, Stanford University, California, United States of America

Emmanuel Mignot

Affiliation Center for Narcolepsy, Department of Psychiatry and Behavioral Sciences, Howard Hughes Medical Institute, Stanford University, California, United States of America

David F. Dinges

Affiliation Division of Sleep and Chronobiology, Department of Psychiatry, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

NG is currently an Academic Editor for PLoS ONE (position commenced in July 2010).

Author Contributions

Conceived and designed the experiments: NG DD. Performed the experiments: SB. Analyzed the data: NG. Contributed reagents/materials/analysis tools: EM LL. Wrote the paper: NG.