We do dream every time whenever we sleep, whenever we are in slumber. As you generally cannot remember what you see in our dreams, sometimes you think that you do not dream. But when you sometimes remember a full sequence or a part of the sequence of some of your dreams, then only you become conscious that you too dream like others. Actually in your wakeful moments you live in your conscious level of your mind. But when you sleep, you get into the subconscious realm of your mind which is too obscure and archaic to comprehend in your consciousness.

We think in our consciousness and we dream in our sub-consciousness-. We do not have much conscious control and comprehensibility of our sub-consciousness or subconscious level of our mind. In the realm of sub-consciousness, as we think unconsciously, that is, we think but we cannot think in the way we think in our consciousness and that is thinking in the subconscious level of our mind. And we think in chains of thought. That chain is never snapped in our realm of senses even in our sub-consciousness as we live in that level of our mind during our periods of sleeping moments. That chain if thoughts is picturesquely reflected in our dreams.

So, we now understand that we do dream during our sleeping period when our consciousness gets entangled in sub-consciousness. And dreaming is an act of thinking sub-consciously in the realm of sub-conscious level of our mind and as this realm is too obscure and archaic we cannot properly keep track of these chains of thoughts. These chains of thoughts are incomprehensibly reflected in pictographs which are surrealistic in nature. In the case of surreal paintings of art, we are really duped in understanding them in our usual way of linear thinking. We are led to believe sometimes this or sometimes that. It is said that surrealistic are born in dreams of the artists. As in the case of surrealistic art, so in the case of our dreams the meaning of which gets obscured in our plain thought process.

That is why dreams most likely cannot be interpreted plausibly. Freud tried to interpret dreams by using the methods of psychoanalysis. But he also failed to produce conclusive proof interpretation of dreams. Dreams are the matter of our sub-conscious mind and the sub-conscious mind varies from people to people depending on the person's education, culture, social ethos, parental background, intelligence, emotion, perception etc. Different persons dream differently and the dream codes and idioms are also different. Dream of one particular event or thing is dreamed differently at different times. It is just beating about the bush in trying to interpret dreams.