Anyone else get angry at their kids for completely irrational reasons?

I snapped at my 4yo this morning because she wanted cereal instead of toast. Like actually yelled. She didn't do anything wrong. I feel like garbage about it now but I can't figure out why I'm so on edge lately. Been like this for a few weeks. Wife says I need to 'chill out' but that's not helpful lol. Anyone else deal with this? Is it just burnout or should I actually talk to someone about it?