No, you are simply paranoid. You have a fear of the dark, or rather, fear of the unknown. You don't know what lies beyond, so you fear what might. You also know that there is nothing, but your brain tells you that something "spawning" inside the dark is possible, even though it's not.
Most people have this fear, your experience with video-games just augments it into something sharper, and more intense.
Squint in training.
