3836 «New ILO Study Shows U.S. Workers Are Spending an Extra Week on the Job Each Year,» International Labor Organization press release, August 31, 2001, http://www.prnewswire.com.
3937 Rafat Ali, «Travel Habits of Americans: 42 Percent Didn't Take Any Vacation Days in 2014,» Skift, January 5, 2015, http://www.skift.com.
4038 Maria Konnikova, «Why Can't We Fall Asleep?» The New Yorker, July 7, 2015, http://www.newyorker.com.
4139 «Short Sleep Duration Among Workers – United States, 2010,» Morbidity and Mortality Weekly Report, April 27, 2012, http://www.cdc.gov.
4240 Marie Soderstrom, Kerstin Jeding, Mirjam Ekstedt, Aleksander Perski, and Torbjorn Akerstedt, «Insufficient Sleep Predicts Clinical Burnout,» Journal of Occupational Health Psychology 17 (2012): 175–83.
4341 Kristen L. Knutson, «Sociodemographic and Cultural Determinants of Sleep Deficiency: Implications for Cardiometabolic Disease Risk,» Social Science & Medicine 79 (2013): 7–15.
4442 Brian Resnick, «The Black-White Sleep Gap,» National Journal, October 23, 2015, http://www.nationaljournal.com.
4543 Ronald C. Kessler, Patricia A. Berglund, Catherine Coulouvrat, Goeran Hajak, Thomas Roth, Victoria Shahly, Alicia C. Shillington, Judith J. Stephenson, and James K. Walsh, «Insomnia and the Performance of US Workers: Results from the America Insomnia Survey,» SLEEP 34 (2011): 1161–71.
4644 Ibid.
4745 Tom Rath, Eat Move Sleep: How Small Choices Lead to Big Changes (Arlington: Missionday, 2013), Kindle edition.
4846 «Re-Awakening Australia: The Economic Cost of Sleep Disorders in Australia, 2010,» Sleep Health Foundation report, October 2011, http://www.sleephealthfoundation.org.au.
4947 Becky Frith, «Fatigued Employees Costing UK Businesses,» HR Magazine, July 20, 2015, http://www.hrmagazine.co.uk.