Alan Mozes, «Sleep Deprivation Leads to Eating More Fatty Food,» CBS News, February 27, 2015, .
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Walt Whitman, «A Clear Midnight,» in The Chief American Poets: Selected Poems by Bryant, Poe, Emerson, Longfellow, Lowell, Whitman, and Lanier, ed. Curtis Hidden Page (New York: Houghton Mifflin Company, 1905), 606.
