I only take 2 Phase 1 and 4 Phase 2 but I feel very aware and awake. Sometimes I feel a bit too awake-I had a hard time adjusting during the first week-but I've gotten used to it and can't imagine doing school without it now. My concentration is incredible. I wake up at 6-6:30 and take it immediately and don't need a break for anything until I look down at my clock around 5pm and realize I should probably take some time to unwind. I did not expect to feel anything from this but I'm very pleas...Read more.