the+noise+steadily+increased

I have found the main source of suspense in this story: everything in this story increases at a startling rate. For example, his hate and discomfort with the old man's eye, his patience on the final day of him sneaking into the old man's room, the talking and laughing of the officers, and finally the unceasing beating of the old man's heart. It is this that makes me think that the man telling the story probably is mad...just a thought. 1197301970 The Tell-Tale Heart