Monster in the Closet

You were sleeping in your bed. Your sleep was deep and nothing could disturb it until you suddenly woke up in the middle of the night. You started to feel thirsty and you got out of bed. As you approached the door of your room, you suddenly heard strange rustling and grinding sounds coming from your closet. You stopped in front of the door of your room and turned towards the closet. The closet doors were slightly open, and inside the closet there was pitch darkness and it seemed that someone was looking at you from this darkness...