About the Authors

Rachel K. Rowe

Affiliations Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, Arizona, United States of America, Department of Child Health, University of Arizona College of Medicine–Phoenix, Phoenix, Arizona, United States of America, Department of Anatomy and Neurobiology, College of Medicine, University of Kentucky, Lexington, Kentucky, United States of America, Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky, United States of America

Martin Striz

Affiliation Department of Biology, College of Arts and Sciences, University of Kentucky, Lexington, Kentucky, United States of America

Adam D. Bachstetter

Affiliation Sanders-Brown Center on Aging, University of Kentucky College of Medicine, Lexington, Kentucky, United States of America

Linda J. Van Eldik

Affiliations Department of Anatomy and Neurobiology, College of Medicine, University of Kentucky, Lexington, Kentucky, United States of America, Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky, United States of America, Sanders-Brown Center on Aging, University of Kentucky College of Medicine, Lexington, Kentucky, United States of America

Kevin D. Donohue

Affiliation Department of Electrical and Computer Engineering, College of Engineering, University of Kentucky, Lexington, Kentucky, United States of America

Bruce F. O'Hara

Affiliations Department of Biology, College of Arts and Sciences, University of Kentucky, Lexington, Kentucky, United States of America, Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky, United States of America

Jonathan Lifshitz

jlifshitz@email.arizona.edu

Affiliations Barrow Neurological Institute at Phoenix Children's Hospital, Phoenix, Arizona, United States of America, Department of Child Health, University of Arizona College of Medicine–Phoenix, Phoenix, Arizona, United States of America, Phoenix Veteran Affairs Healthcare System, Phoenix, Arizona, United States of America, Department of Anatomy and Neurobiology, College of Medicine, University of Kentucky, Lexington, Kentucky, United States of America, Department of Physical Medicine & Rehabilitation, University of Kentucky College of Medicine, Lexington, Kentucky, United States of America, Spinal Cord and Brain Injury Research Center (SCoBIRC), University of Kentucky College of Medicine, Lexington, Kentucky, United States of America

Competing Interests

Co-authors Bruce O'Hara and Kevin Donohue are principal owners of Signal Solutions, Inc. Signal Solutions manufactures and supports the non-invasive sleep monitoring cages used in these studies. There are no further patents, products in development, or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RR JL. Performed the experiments: RR AB. Analyzed the data: RR AB MS KD BO. Contributed reagents/materials/analysis tools: JL KD BO LV. Wrote the paper: RR JL. Manuscript edits and revisions: BO AB KD LV.