guardian of sleep. So far as children's dreams are concerned, our view should find ready acceptance.

The sleeping state or the psychical change to sleep, whatsoever it be, is brought about by the child being sent to sleep or compelled thereto by fatigue, only assisted by the removal of all stimuli which might open other objects to the psychical apparatus. The means which serve to keep external stimuli distant are known; but what are the means we can employ to depress the internal psychical stimuli which frustrate sleep?

Look at a mother getting her child to sleep. The child is full of beseeching; he wants another kiss; he wants to play yet awhile. His requirements are in part met, in part drastically put off till the following day. Clearly these desires and needs, which agitate him, are