Go to config file, and open with notepad. (C:/MyDocuments/UK Truck Simulator/config) Scroll down to the line: "uset g_fatigue" Change the "1" to "0". Save, and overwrite original file when prompted. The following MUST be done in order for this to work: **After saving and exiting file, right-click on config file and click "Properties". Locate and click "Read Only", then click "Apply".* The above step is required to over ride a glitch in the game which changes your fatigue setting without your consent. Click the "x", and return to Desktop. Start UK Truck Simulator, and either start a new game, or load a previously saved game.