So for the past couple of year my sleep schedule has been less then ideal. Right now I work the sight shift 3 days a week if that helps anything. But my sleep can usually range anywhere from 5-12 hours and then oftentimes I can either take more naps throughout the day or go a whole 24 hours without sleep (which is happening right now, 6 more hours to go) I seem to be pretty much always tired. I don't know how to fix my sleep schedule due to the fact that sleepiness seems to overtake me at times. Any way to fix this and start to get a better sleep schedule?