Remain focused, lest you fall asleep. It's easy to stray off the path. You can prepare yourself by having directions that will take you from wherever you back to where you need to be. Done often enough, this process could become automatic. Awareness Concentration requires being in a certain state of consciousness continuously for the desired amount of time.
Music has a powerful effect on consciousness.
Listen to any type of music that helps you be in whatever state you need to be in. If fast thinking is required, fast music is appropiate. If repetitive processes are required, repetitive music is optimal. Alertness Drugs are cool. I am, therefore I think.