s p a c e d said:Meth - not being able to sleep, eat, or think straight combined with being exhausted and really irritable just sucks.
Also, I don't usually have a really bad hangover, but when it happens, I'd say that would take second place.
I don't know why people keep saying Ecstacy, that has one of the mildest comedowns I've had. I have no problem falling asleep after it wears off, and I usually feel pretty good the next day, if maybe a bit worn out.