Jim is working extra shifts at the hospital, and a man comes in screaming about being chased by a man with a knife. He is being haunted, and Melinda soon discovers that the ghost is his birth father, who had a fatal insomnia disease he may have passed on to his kids. He talks about seeing demons who get into your head when you're asleep, which is why he won't allow his son to sleep. Mel has to tell him the truth about his disease to prevent him from making his son kill himself.
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Complete story — includes the ending
Jim is working extra shifts at the hospital, and a man comes in screaming about being chased by a man with a knife. He is being haunted, and Melinda soon discovers that the ghost is his birth father, who had a fatal insomnia disease he may have passed on to his kids. He talks about seeing demons who get into your head when you're asleep, which is why he won't allow his son to sleep. Mel has to tell him the truth about his disease to prevent him from making his son kill himself.