What goals do you have your breakfast fulfilling? Inexpensive? Weight gain/loss? Taste? <Insert many other possible questions here>

Does the type/kind of breakfast have a larger or smaller impact your later mental state?

I think that actually thinking about breakfast for a little time would actually prove beneficial depending on your goals. I don't think you'll require a large amount of time, but you can spend a few minutes thinking about it. Those few minutes could have net positive or negative impact on your future self that day.

edit moved, originally posted it as a top level comment and not as a reply. Sorry