921
Jonathan Clegg, «College Football Wakes Up to a New Statistic: Sleep,» The Wall Street Journal, August 20, 2015, .
922
Ibid.
923
Ibid.
924
Brian Rice, «Sleeping to Better Performance,» UTSports, August 16, 2015, .
925
Clegg, «College Football Wakes Up to a New Statistic.»
926
Leon Sasson (founder, Rise Science), email to the author, November 7, 2015.
927
Clegg, «College Football Wakes Up to a New Statistic.»
928
Christopher Winter, William R. Hammond, Noah H. Green, Zhiyong Zhang, and Donald L. Bliwise, «Measuring Circadian Advantage in Major League Baseball: A 10–Year Retrospective Study,» International Journal of Sports Physiology & Performance 4 (2009): 394–401.
