what causes bad dreams?

Question

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Answer 1

Bad sex!!!!!!!!!!!! I'm joking, most likely eating food before going to sleep or something you remember seeing or hearing. You mind thinks of whatever it wants to while your asleep, that's the only thing that doesn't go to sleep

Answer 2

There are number of causes:

- Stress in you life, be it work, school, relationship, etc...
- Some "heavy" foods, such as meat. Eating pizza before going to sleep is known to cause bad dreams.

Answer 3

Stress or something going on in your life.