If it happens once or twice I would just like you say it is coincidence.
When your dreams often have a message like that and in different areas you slowly start to think that magic might excist
People don't remember things which don't attract their awareness. For example, they complain that they always hit "red lights" when they drive, but they never notice when they drive through all the "green lights".
Likewise, thousands of people every night dream that something bad has happened to Aunt Sally, but when they call everything is fine, and those results get ignored until something finally is
wrong (although not exactly what they dreamed), and suddenly they have ESP.
You have to collect data accurately in order to make any meaningful observations. People are remarkably bad that this.