A definitive ranking of troops’ extreme napping positions January 13 Warrant Officer Daniel Johnson takes a nap during a field training exercise during Warrant Officer Basic Course 1-19 on Marine Corps Base Quantico, Va., April 30, 2019. (Warrant Officer Kowshon Ye/Marine Corps) Sleep can be hard to come by in the service. One of the very first things you learn when you enlist is that you should take any and every napping opportunity possible, despite the location. As thousands of National Guard members filter through the halls of the U.S. Capitol, civilians are getting firsthand looks at just how easily soldiers can turn a concrete floor into a comfortable nest.