Waking Dreams

[Minimalist]

http://en.wikipedia.org/wiki/Sleep_paralysis

Many people who experience sleep paralysis are struck with a deep sense of terror when they sense a menacing presence in the room while paralyzed—hereafter referred to as the intruder. A neurological interpretation of this phenomenon is that it results from a hyper-vigilant state created in the midbrain.[9] More specifically, the emergency response is activated in the brain when individuals wake up paralyzed and feel vulnerable to attack.[10] This helplessness can intensify the effects of the threat response well above the level typical of normal dreams, which could explain why such visions during sleep paralysis are so vivid