Verb conjugation of "crollare" in Italian

I will put that one and the offending words. These words should not be optional, cause we need to know when a word is offending. Would it be helpful to have a counter, so you see how many words you translated?
Drinking coffee at night is supposed to be bad. Why? I have no idea. I believe the contrary is true. Coffee opens my veins and let's blood flow better and quicker. I therefore have nicer dreams, mainly from my last vacation in Italy.
I'm from England and am learning German. Maybe we can share tips and tricks. How's your level? If you want to practice together, we can make voice over IP calls and write letters and correct each other.