Read it through once

“I come to a part of my story now in which I should wish to be particularly so. I am not a very heavy sleeper, and the anxiety in my mind tended, no doubt, to make me even less so than usual. About two in the morning, then, I was awakened by some sound in the house. It had ceased ere I was wide awake, but it had left an impression behind it as though a window had gently closed somewhere. I lay listening with all my ears. Suddenly, to my horror, there was a distinct sound of footsteps moving softly in the next room. I slipped out of bed, all palpitating with fear, and peeped round the corner of my dressing-room door.