That would certainlt add a new danger to being awakened, being summoned yourself. Could explain freaky nightmares, unsolved disappearances, and any number of strange things.
A very interesting possibility.
I'm basing the astral world in my Shadowrun game off of sumrak ("twilight" in the book translations into English, "the gloom" in the English translations of the movies) from
Nightwatch, a Russian novel series.
