The Federal Motor Carrier Safety Administration (FMCSA) requires that truck drivers take regular breaks to avoid fatigue. In most cases, drivers spend 14 hours working, but can only drive for 11 hours within that 14-hour shift. Then, they must take 10 hours off duty. However, the sleeper berth provision is a complicated exception that allows drivers to essentially freeze their clock while they are on duty but not actively driving. This provision often comes in handy when a driver has arrived at a loading dock but must wait, sometimes for ho...