Is there a soul that guides you in the physical world? How to respond to a déjà vu? This fits well with the fact that teenagers and young adults have déjà vu more frequently than older people.
Freud assimilated déjà-rêvé already dreamed with the déjà-vu, considering it a recurrence of memory, perception, but the perception of an unconscious fantasy or diurnal reverie.
When your brain absorbs information, it generally follows a specific path from short-term memory storage to long-term memory storage.