That is not different from what people do in deep trances.
Then find out if she would have any internal dialogue or sounds in deep trance.
Or I could tell you a story about a friend of mine who is able to learn easily to go into a deep trance.
"How are you able to go into a deep trance?"
One went into a deep trance and we could not rouse her.
"It has been a very long time since I attempted deep trance."
The Master entered a state of deep trance, for what could have been days or only a moment.
Symphony closed his eyes, seeming as if in a deep trance.
That was why she must never enter the deep trance alone.
Watch the result for long enough, and you will go into deep trance.