@inbook{57615553,
author={Allan H. Ropper and Martin A. Samuels and Joshua P. Klein},
title={Chapter 19. Sleep and Its Abnormalities},
booktitle={Adams and Victor's Principles of Neurology, 10e},
publisher={The McGraw-Hill Companies},
address={New York, NY},
year={2014},
url={neurology.mhmedical.com/content.aspx?aid=57615553}
}