A 2-day hangover is real and can happen when your body takes longer to recover from alcohol. It’s usually caused by things like dehydration, poor sleep, your body’s slow breakdown of alcohol, or simply drinking more than your system can handle. Some people are more sensitive than others, and age often makes it worse.

In this article, we’ll explain why some hangovers drag into day two, what symptoms to watch for, how to recover faster, and simple ways to avoid it happening again.