Dreams can be divided into three classes according to their relation towards the realisation of desire. Firstly come those which exhibit a non-repressed, non-concealed desire; these are dreams of the infantile type, becoming ever rarer among adults. Secondly, dreams which express in veiled form some repressed desire; these constitute by far the larger number of our dreams, and they require analysis for their understanding. Thirdly, these dreams where repression exists, but without or with but slight concealment. These dreams are invariably accompanied by a feeling of dread which brings the dream to an end. This feeling of dread here replaces dream displacement; I regarded the dream work as having prevented this in the dream of the second class. It is not very difficult to prove that what is now present as intense dread in the dream was once desire, and is now secondary to the repression.

There are also definite dreams with a painful content, without the presence of any anxiety in the dream. These cannot be reckoned among dreams of dread; they have, however, always been used to prove the unimportance and the psychical futility of dreams. An analysis of such an example will show that it belongs to our second class of dreams—a perfectly concealed realisation of repressed desires. Analysis will demonstrate at the same time how excellently adapted is the work of displacement to the concealment of desires.

A girl dreamt that she saw lying dead before her the only surviving child of her sister amid the same surroundings as a few years before she saw the first child lying dead. She was not sensible of any pain, but naturally combated the view that the scene represented a desire of hers. Nor was that view necessary. Years ago it was at the funeral of the child that she had last seen and spoken to the man she loved. Were the second child to die, she would be sure to meet this man again in her sister’s house. She is longing to meet him, but struggles against this feeling. The day of the dream she had taken a ticket for a lecture, which announced the presence of the man she always loved. The dream is simply a dream of impatience common to those which happen before a journey, theatre, or simply anticipated pleasures. The longing is concealed by the shifting of the scene to the occasion when any joyous feeling were out of place, and yet where it did once exist. Note, further, that the emotional behaviour in the dream is adapted, not to the displaced, but to the real but suppressed dream ideas. The scene anticipates the long-hoped-for meeting; there is here no call for painful emotions.

X.

There has hitherto been no occasion for philosophers to bestir themselves with a psychology of repression. We must be allowed to construct some clear conception as to the origin of dreams as the first steps in this unknown territory. The scheme which we have formulated not only from a study of dreams is, it is true, already somewhat complicated, but we cannot find any simpler one that will suffice. We hold that our psychical apparatus contains two procedures for the construction of thoughts. The second one has the advantage that its products find an open path to consciousness, whilst the activity of the first procedure is unknown to itself, and can only arrive at consciousness through the second one. At the borderland of these two procedures, where the first passes over into the second, a censorship is established which only passes what pleases it, keeping back everything else. That which is rejected by the censorship is, according to our definition, in a state of repression. Under certain conditions, one of which is the sleeping state, the balance of power between the two procedures is so changed that what is repressed can no longer be kept back. In the sleeping state this may possibly occur through the negligence of the censor; what has been hitherto repressed will now succeed in finding its way to consciousness. But as the censorship is never absent, but merely off guard, certain alterations must be conceded so as to placate it. It is a compromise which becomes conscious in this case—a compromise between what one procedure has in view and the demands of the other. Repression, laxity of the censor, compromise—this is the foundation for the origin of many another psychological process, just as it is for the dream. In such compromises we can observe the processes of condensation, of displacement, the acceptance of superficial associations, which we have found in the dream work.

It is not for us to deny the demonic element which has played a part in constructing our explanation of dream work. The impression left is that the formation of obscure dreams proceeds as if a person had something to say which must be disagreeable for another person upon whom he is dependent to hear. It is by the use of this image that we figure to ourselves the conception of the dream distortion and of the censorship, and ventured to crystallise our impression in a rather crude, but at least definite, psychological theory. Whatever explanation the future may offer of these first and second procedures, we shall expect a confirmation of our correlate that the second procedure commands the entrance to consciousness, and can exclude the first from consciousness.

Once the sleeping state overcome, the censorship resumes complete sway, and is now able to revoke that which was granted in a moment of weakness. That the forgetting of dreams explains this in part, at least, we are convinced by our experience, confirmed again and again. During the relation of a dream, or during analysis of one, it not infrequently happens that some fragment of the dream is suddenly forgotten. This fragment so forgotten invariably contains the best and readiest approach to an understanding of the dream. Probably that is why it sinks into oblivion—i.e., into a renewed suppression.

XI.

Viewing the dream content as the representation of a realised desire, and referring its vagueness to the changes made by the censor in the repressed matter, it is no longer difficult to grasp the function of dreams. In fundamental contrast with those saws which assume that sleep is disturbed by dreams, we hold the dream as the 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 hindrances to sleep. Everyone knows the charming story of the bad boy (Baldwin Groller’s) who awoke at night bellowing out, “I want the rhinoceros.” A really good boy, instead of bellowing, would have dreamt that he was playing with the rhinoceros. Because the dream which realises his desire is believed during sleep, it removes the desire and makes sleep possible. It cannot be denied that this belief accords with the dream image, because it is arrayed in the psychical appearance of probability; the child is without the capacity which it will acquire later to distinguish hallucinations or phantasies from reality.