Feeling anxious after drinking? You're not alone! 22% of social drinkers experience hangover anxiety, also known as "hangxiety". Science suggests that it's due to the way alcohol affects our brain chemicals. As the effects wear off, our brain rebalances, leading to increased glutamate and decreased GABA, causing feelings of dread and panic.

Source: https://www.wionews.com/entertainment/lifestyle/news-feeling-anxious-after-drinking-science-can-explain-why-771085