How do the narrator's changing states of consciousness affect the story?

In "," Poe uses the narrator's
changing states of consciousness
to create mystery and suspense in the
story. In the beginning of the story, the
narrator is in a
partial dream state. He hears voices, but does not comprehend or recognize

everything they are saying or who the people are. This creates an aura of mystery right
from the
start as the antagonists to the man and the reason for his death
sentence are ambiguous. This
mystery continues as the narrator becomes
unconscious during the scene changes in the story.
This allows Poe to never
have to describe the...