But the fact is I was napping, and so gently you came rapping, And so faintly you came tapping-tapping on my chamber door, That I scarce was sure I heard you"-here I opened wide the door:- Darkness there, and nothing more.
In this quote, the man says that he was napping and he was awoken by the sound of tapping on the door. Then, he goes to open the door to see what was tapping, but there was nothing there.
tap tap tap
While I was napping, suddenly there came a tapping, As of some one gently rapping, rapping at my chamber door-
For the rare and radiant maiden whom the angels name Lenore- Nameless here for evermore.