Question: I've heard about how and why dreams occur, and I was wondering why nightmares occur?

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  1. In a similar way; only the associations you have are negative ones and can be fueled by being preoccupied with something. Sometimes it’s a misfire in the amygdala that makes you think you’re scared.


  2. Like Josie said, the amygdala is a part of the brain involved in fear and aggression. Sometimes it can be something that you’ve eaten that may have additives in it that may upset your brain. Otherwise, it could be something that you’ve experienced that day, like a scary movie or book that your brain is re-living.
    Sometimes if you are worried or stressed about something, that can bring on nightmares as well.


  3. Nightmares can often involve something you are scared of, or anxious about. Someone once told me that eating cheese before bed gives you nightmares, but I don’t believe that – I like cheese too much! 😀