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47
Vatsal Thakkar, “Diagnosing the Wrong Deficit,” New York Times, April 28, 2013.
48
David K. Randall, Dreamland: Adventures in the Strange Science of Sleep (New York: W. W. Norton, 2012), 27–29.
49
Jeffrey H. Larson, D. Russell Crane, and Craig W. Smith, “Morning and Night Couples: The Effect of Wake and Sleep Pattern on Marital Adjustment,” Journal of Marital & Family Therapy 17, no. 1 (January 1991): 53–65.