I was reading an article about a Werner driver operating for a month under the proposed HOS for a month and his experiences with that. I don't have the link just now but some stuff I do remember was one trip he had was 1800 something miles and it took 3 full shifts plus a little bit of a 4th trip to finish it. 34 hour breaks were closer to 50 hours. Had to stop 45 minutes from hometime to sit for 30 minutes before continuing because he had been on duty for 7 hours. At the end of the month it is estimated he lost 3 full days of production over the previous HOS.