In a study conducted in India, South Korea, and the U.S., respondents revealed that dreaming about scary situations such as plane crashes gave them more anxiety compared to real-life warnings of terrorist attacks.
In a 1958 study that did a comparison between Americans and Japanese people, Americans had more dreams about being locked up, encountering crazy people, and getting money.
On the other hand, Japanese people had a higher likelihood of dreaming about trying to do something repeatedly or being faced by fear.
In a study that was conducted on students who were taking a medical-school entrance test, 60% of the dreams that they had before the dreams were related to problems with the exam such as lateness.
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