There must be will or determinate thought; but when once brought about it is easily repeated.
"They have the ability," writes Dr.COCKE, "to resist this state or bring it on at will.

Many of them describe beautiful scenes from Nature, or some mighty cathedral with its lofty dome, or the faces of imaginary beings." This writer's own first experience of self-hypnotism was very remarkable.

He had been told by a hypnotizer to keep the number twenty-six in his mind.

He did so, and after hearing a ringing in his ears and then a strange roaring he felt that spirits were all round him--music sounding and a sensation as of expanding.
But self-hypnotizing, by the simple easy process of trusting to ordinary sleep, is better adapted to action delayed, or states of mind.

These may be: _A desire to be at peace or perfectly calm_.