Why Do We Eat at Night?

When i go to bed at ten 30. Tryn li turn that brain off, and trying toke feel heavy. I didn't even know that that's what i was doing. But my family dinners were so tense. And i realized, somebody explained to me that if the blood is in your head, you can think better, but if it's in your stomach, you actually think less. Like its just lets blood flow to your brain. It's all going to your stomach to digest. You heve full stomach, you're not easy to like, obsess about things as much. So you just can like, why do we eat at night? Yes, everything about that. Ye