Read it through once

This was a demoniac laugh—low, suppressed, and deep—uttered, as it seemed, at the very keyhole of my chamber door. The head of my bed was near the door, and I thought at first the goblin-laugher stood at my bedside—or rather, crouched by my pillow: but I rose, looked round, and could see nothing; while, as I still gazed, the unnatural sound was reiterated: and I knew it came from behind the panels. My first impulse was to rise and fasten the bolt; my next, again to cry out, “Who is there?”