Here part of her mind may have known that the door was open, and started a ghost (for there was no real man there) to stop her.

Pity that these things do not occur more frequently.
They do--in New Zealand.

{82} These are a few examples of useful veracious waking dreams.

The sort of which we hear most are "wraiths".

A, when awake, meets B, who is dead or dying or quite well at a distance.