929
Winter, email to the author.
930
Jason Koebler, «Study: MLB Players' Plate Discipline Degrades Over Season,» USA TODAY, May 31, 2013, .
931
Janie Mc-Cauley, «Sweet Dreams: Sleep Expert Helps Giants in October,» USA TODAY, October, 25, 2014, .
932
Sue Shellenbarger, «The Peak Time for Everything,» The Wall Street Journal, September 26, 2012, .
933
McCauley, «Sweet Dreams.»
934
Mark McClusky, Faster, Higher, Stronger: How Sports Science Is Creating a New Generation of Superathletes – and What We Can Learn from Them (New York: Penguin, 2014), Kindle edition.