Throughout the history of humankind, dreams were deemed as something mysterious and full of ambiguity. They were a source of numerous religious, philosophical and scientific debates and frankly speaking still remains an enigma. Opinions on the origins of dreams and their function vary from a simple by-product of brain activity to an unconscious expression of human deepest desires and unfulfilled wishes. If you are planning on writing an essay about dreams and their meaning, try relying only on the reliable scientific papers and outline the main issues you want to concentrate on. Research similar works and samples of essays on dreams from a medical point of view to get proven information. Stick with a clear and logical structure with an introduction, argumentative main body, and comprehensive conclusion.