Answer: The Tell-Tale heart was a poem composed by Edgar Allen Poe in 1843. This poem displayed a rather dark theme, just like many of his other poems. This poem can be categorized as horror or Gothic Literature. The main themes in "The Tell-Tale Heart" are the madness and sanity, the pressure of guilt, and the passage of time. The narrator's attempt to prove his sanity as he explains his maleficent plans for killing the old man only prove his madness.
Explanation: Hope this helps you :)