Macbeth is so disoriented at one point he says “I have thee not, and yet I see thee still. Art thou not, fatal vision, sensible To feeling as to sight? Or art thou but A dagger of the mind, a false creation, Proceeding from the heat-oppressèd brain?” (II.i.33-40). Macbeth will come up with a “fatal vision” when he us under stress of doing an action he does not want to do. Macbeth hallucinates events and believes that they are actually taking place. Macbeth saw the floating dagger on his way to murder king Duncan but during the murder he saw a series of events that didn’t happen. Macbeth hallucinates that “Nature seems dead, and wicked dreams abuse The curtained sleep. Witchcraft celebrates Pale Hecate’s offerings, and withered murder, Alarumed by his sentinel, the wolf, Whose howl’s his watch, thus with his stealthy pace, With Tarquin’s ravishing strides, towards his design Moves like a ghost” (II.i.51-57). Since Macbeth seems dead in the brain that is reflecting that to the real world and causing him to animals and witchcraft. Macbeth is not healthy and is dangerous because him thinking that witchcraft is real and animals are in the room is the first step to doing really dangerous actions. Schizophrenia causes Macbeth to hallucinate about animals and floating daggers while he is murdering King Duncan and starts him to do more evil actions. Schizophrenia also causes Macbeth to act crazy and the dinner banquet and his friends start to…