What you're describing was a very common occurence for me in high school and still somewhat today as well.
when you're in the paralyzed state you can astral project. That's a good launching state for it. Body can't move, but ethereal body can.
Being asking you if you wanted help is consistent with my first experience
Encountering beings in that state is normal as well. PM me your experience if you don't want to discuss publicly and I'll be happy to hear it.