“The covers are always a safe place in my bed, everyone’s out and I’m home alone, I slip between the covers, trying not to think bad thoughts. In complete darkness I whisper to myself, “Is it stupid that I’m afraid?”, “Don’t worry, friend, they can’t get us in here”, it whispers back.”
Source : http://canyouactually.com/9-of-the-most-terrifying-two-sentence-horror-stories-ever-told/