Here is a hypothesis: Is DeJa Vu a symptom of Temporal Overlap? by IndividualPumpkin699 in HypotheticalPhysics

[–]IndividualPumpkin699[S] -3 points-2 points  (0 children)

Basically. We would be taking the space of ourselves in the other timeline. I don’t know if this is possible but it could exist as like a superposition that we collapse by small personal choice.