text:  and if that your brain gets disrupted then the models break down and that's what we call hallucinations christine for you when you know when you said that you've had hallucinations you know at times of being very very exhausted like were you aware that you were hallucinating not at all i thought it was real because i was hearing bullets outside the window no really yeah how long did that last about 10 to 15 minutes david is that normal i mean what is exhaustion exhaustion is a