There is an actual disorder called delusional disorder that would describe your symptoms as grandious. Its not all inclusive to mood disorders/schizoaffective/schizophrenia. Do you know if this has only occurred during a mood state or does it happen during relatively stable times too?

It can also be a symptom of unease in sleep. You can have a threshold for needing less sleep, but if you haven't been sleeping well then you can potentially experience some form of psychosis. If your really stressed right now, it can also contribute.

Problem with psychiatric disorders are the sources that can cause imbalance.