> From what I understand (I'm not a scientist), caffeine doesn't "give" you energy, but rather makes your body ignore the tiredness, by turning off some of the

> From what I understand (I'm not a scientist), caffeine doesn't "give" you energy, but rather makes your body ignore the tiredness, by turning off some of the machinery that would make you feel tired. I have heard this too, but it doesn't feel like this to me, it feels like a stimulant getting me to a state above and beyond the one I would be in without the caffeine. There are also a lot of references to caffeine as a stimulant. So what is really going on?