"Nothing is real here." Yet it is born from reality.
Reality is not something one has complete control over, and there is no control to be found here.
"But this isn't real."
Perhaps. But all of this? You've seen this before. Maybe today. Maybe you simply forgot. They all come together to write a narrative of their own.
Rest easy for now. Since, as you put it, this place isn't real, nothing can hurt you here but yourself. Even if you get stuck, you won't die in reality.
You get used to it. Maybe you won't even remember a thing once you wake up. Or you might, but it will all be just a burning memory.
"Hey..."
Hm?
"How long have you been here? When was the last time you woke up?"
...
A long while, if I recall. However, the reasons have nothing to do with this world, so you have nothing to worry about unless a third party interferes from the outside.
Now, relax yourself, and let yourself wander in the white blur.