To give his logic any value, he should constantly when (as far as he knew) awake, have had dreams that "shocked" him.

Then _one_ coincidence would have had no assignable cause save ordinary accident.
If Lord Brougham fabled in 1799 or in 1862, he did so to make a "sensation".

And then he tried to undo it by arguing that his experience was a thoroughly commonplace affair.
We now give a very old story, "The Dying Mother".

If the reader will compare it with Mr.Cleave's case, "An Astral Body," in this chapter, he will be struck by the resemblance.

Mr.Cleave and Mrs.Goffe were both in a trance.