Translation of groggy in Spanish

So you have taken a German course in the Ghoete Institute. Well, I certainly learned something with you, and your German is already a lot better than last time. I think we really did it.
I'm quite tired too by now. So, if it doesn't work just drop me an email and I'll see it first thing in the morning. I wanted to add new words to the dictionary however the other issues kept me more busy than I have imagined.
Where do you come from originally and how long have you been living in America? My week was very long. And how was your week? I do not know how to describe my life as I never had a writing pal.