Question

why a person feels dehydrated the day after heavy drinking​

Answer 1

Explanation:

The main cause of a hangover is ethanol – the alcohol in your drinks. It's a toxic chemical that works in the body as a diuretic, which means it makes you pee more and you can become dehydrated as a result. Dehydration is one of the main causes of your hangover symptoms.

Answer 2

Answer:

The main cause of a hangover is ethanol – the alcohol in your drinks. It's a toxic chemical that works in the body as a diuretic, which means it makes you pee more and you can become dehydrated as a result. Dehydration is one of the main causes of your hangover symptoms.