This article discusses Margaret Cavendish's position on reality and fiction in dreams and her role within the moderate skepticism of her philosophy. While Cavendish argues that there is no distinction between dream-like and waking depictions, she does not consider the difference between fact and fiction to be sharp or relevant. We will argue that, although Cavendish promotes a philosophical discourse that articulates reason –that seeks to know reality— and fancy —which constructs fictions—, considers that only "elevated" poetic fantasies are competent (...) for the construction of this discourse. (shrink)