Here’s the exciting news: you can prevent a hangover headache by tossing back around ¼ cup of pickle juice either right before you hit the sheets or first thing when you wake up in the morning. The salt and vinegar in the pickle juice, aka the brine,will cause your body to start storing water and restoring electrolytes to put your body back in balance.
Sounds ridiculous, I know, but Dr. Oz swears by it,
https://spoonuniversity.com/lifestyle/pickle-juice-is-ultimate-hangover-cure
100% would make me yak. Can't stand pickles.