Deja dreams often reflect a sense of familiarity and recognition in unfamiliar situations. These dreams may occur when individuals encounter experiences that resonate with their past, triggering feelings of nostalgia or an uncanny sense of having already lived through the moment. They can symbolize a longing for connection with one’s history or an indication of unresolved issues that should be revisited.

In addition, deja dreams can signify a desire for clarity in decision-making or a need to confront one's subconscious fears or desires. They may also arise during periods of significant change, suggesting that the dreamer feels overwhelmed by the rapid progression of events in their waking life, leading to a confusion of past and present.

Common themes in deja dreams include encountering people from one’s past, revisiting familiar places, or repetitive scenarios that seem to echo earlier experiences. Overall, these dreams function as a bridge between past emotions and current realities, urging the dreamer to explore deeper insights within themselves.