301
«Historical and Cultural Perspectives of Sleep,» Healthy Sleep, .
302
Charles Pollak, Michael J. Thorpy, and Jan Yager, The Encyclopedia of Sleep and Sleep Disorders, 3rd ed. (New York: Facts on File, 2010), 33.
303
Lucy Worseley (author, If Walls Could Talk), interview with Terry Gross, « 'If Walls Could Talk': A History of the Home,» Fresh Air, NPR, March 13, 2012, .
304
Don Todman, «A History of Sleep Medicine,» The Internet Journal of Neurology 9 (2007): .
305
William Hammond, Sleep and Its Derangements (Philadelphia: J. B. Lippencott & Co., 1869).
306
Henry M. Lyman, Insomnia, and Other Disorders of Sleep (Chicago: W. T. Keener, 1885).
307
Francisco Lopez-Munoz, Ronaldo Ucha-Udabe, and Cecilio Alamo, «The History of Barbiturates a Century After Their Clinical Introduction,» Neuropsychiatric Disease and Treatment 1 (2005): 329.