It turns out being "hangry," meaning so hungry you're angry, is a real thing.
According to a team from the University of North Carolina, an empty stomach can trigger an emotional response.
However, it doesn't just happen because of a drop in blood sugar. Hunger causes the body to release stress hormones and adrenaline.
The hungrier you are, the more hormones are released, causing stress that can lead to anger.
So maybe, keep a snack nearby.