@inbook{1197605780,
author={Raahulan Rathagirishnan and Ashley Jackson},
title={Physical activity improves sleep quality and cortisol regulation},
booktitle={2 Minute Medicine},
publisher={McGraw Hill},
address={New York, NY},
year={2015},
url={accessmedicine.mhmedical.com/updatesContent.aspx?gbosid=607565}
}