Dogs won't run without an object to chase, be it a ball, squirrel, or person. People are no different. The carrot must dangle for us too.
If we don't have anything to chase, we float like a lost boat in the sea. There's no reason to get up early, let alone keep us excited throughout the day.
Coffee and cigarettes are just stimulants. What really motivates you? What are the things worth chasing?