Alot of stories on the internet involve people switching files causing unwanted results for the victim. Should this be a real concern? If someone made a file for help in studying or something, that went: induction - deepener - hypnoloss then the unwanted file, how likely is it that someone would not...

Let's say you wanted to trick someone. He thinks the files are just to help you sleep or something. Instead you run together an inducer, the hypnoloss file, and then something embarrassing like one of the bed wetting ones. If you cut off the introductions and he had no piror knowledge of what was on...

I have a simple enough question.
If I listen to files while doing my normal, everyday activities (like surfing the internet, those too-long college essays, playing games) over and over, will they have some, if any effect?

Thanks!