мне приснилось, что я

I dreamed that I

→ я
phrase Rare #34,005
I dreamed that I Used to introduce the content of a dream. The verb is in an impersonal form: literally, “it was dreamed to me that I...”.
RU: Мне приснилось, что я опоздал на поезд.
EN: I dreamed that I was late for the train.