The U.S. Army Has Developed an Algorithm That Tells You Exactly How Much Coffee You Should Drink to Stay Awake Posted byAmira Ehrhardt and Sophia Ankel, Business Insider Deutschland August 9, 2019 Leave a comment on The U.S. Army Has Developed an Algorithm That Tells You Exactly How Much Coffee You Should Drink to Stay Awake The study was conducted with soldiers whose jobs require to stay alert even during the most grueling hours.