«Chronic Insomniacs May Face Increased Risk of Hypertension,» American Heart Association press release, January 26, 2015, .
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Charles M. Morin, Cheryl Colecchi, Jackie Stone, Rakesh Sood, and Douglas Brink, «Behavioral and Pharmacological Therapies for Late-Life Insomnia: A Randomized Control Trial,» The Journal of the American Medical Association 281 (1999): 991–99.