Maybe the displacement affects the way time works. If this is indeed a dream world, it is logical to say that time works - well, differently in that regard. A day might just be a minute, maybe. The quantum mechanics are something worth looking to, if we can get the data.

[Look at him, already science-ing it all up. He does pause after that though, considering and thinking as something comes to him.]

Although that is all theoretical, I suppose. Worlds on another plane are very different from portals.