pubmed.ncbi.nlm.nih.gov
The reinterpretation of dreams: an evolutionary hypothesis of the function of dreaming - PubMed
Several theories claim that dreaming is a random by-product of REM sleep physiology and that it does not serve any natural function. Phenomenal dream content, however, is not as disorganized as such views imply. The form and content of dreams is not random but organized and selective: during dreamin …