I dream `of` you. Why don`t dream `about`?
"Dream OF" → The feeling, idea, or essence of someone/something is present. Dreaming OF someone = Their vibe is in the dream. You feel them, miss them, or they're on your mind, but they don't appear.
After her friend moved away, Maria often dreamed of her — not seeing her face, but feeling her laughter in sunny, quiet dreams of empty parks.
Longing for travel, Leo dreamed of Japan — his dreams weren't set there, but were filled
