[2] Brigham and Women’s Hospital Communications. “Calculator shows hidden costs of fatigued workforce.” The Harvard Gazette, September 25th, 2017. https://news.harvard.edu/gazette/story/2017/09/fatigue-cost-calculator
-shows-hidden-costs-of-sleepy-workforce/
[3] Foster, Russell and Lean Kreitzman, Rhythms Of Life: The Biological Clocks That Control the Lives of Every Living Thing, Profile Books, September 30th, 2011
[4][5][6] Foster, Russell and Lean Kreitzman, Rhythms Of Life: The Biological Clocks That Control the Lives of Every Living Thing, Profile Books, September 30th, 2011
[7] Sandra May. “Learning Launchers: We've Got Rhythm: Circadian Rhythm and Cognition on the International Space Station.” NASA, November 26th, 2019. https://www.nasa.gov/audience/foreducators/stem-on-station/learning_launchers_got_rhythm
[8] Leopold, Till Alexander, Saadia Zahidi, and Vesselina Ratcheva. “The Future of Jobs Report 2018.” World Economic Forum, http://www3.weforum.org/docs/
WEF_Future_of_Jobs_2018.pdf
[9] Samuel J. Palmisano. “Capitalizing on Complexity: Insights from the Global Chief Executive Officer Study.” IBM, https://www.ibm.com/downloads/cas/1VZ
V5X8J
[10] Lichtenberg, James, Christopher Woock, and Mary Wright. “Ready to Innovate: Are Educators and Executives Aligned on the Creative Readiness of the U.S. Workforce?” The Conference Board, September 30th, 2018. https://www.americansforthearts.org/sites/default/files/ReadytoInnovateFull.pdf
[11][12] Ana Adan, Simon N. Archer, Maria Paz Hidalgo, Lee Di Milia, Vincenzo Natale & Christoph Randler (2012) Circadian Typology: A Comprehensive Review, Chronobiology International, 29:9, 1153-1175, DOI: 10.3109/07420528.2012.719971
[13] Folkard S. Diurnal variation in logical reasoning. Br J Psychol. 1975 Feb;66(1):1-8. doi: 10.1111/j.2044-8295.1975.tb01433.x. PMID: 1131476.