In the short story “The Fall of the House of Usher” by Edgar Allan Poe, an unnamed narrator arrives to the house of Roderick Usher.
The narrator has come to seek the help of Mr. Usher because the narrator's sister Madeline suffers from a terrible illness. But she is actually Catatonic, a condition where a person seems to be dead, but is not. In the past even doctors were confused but the condition and declared a lot of people dead without being really dead, but catatonic.
The word that has a positive connotation is angels