[header] How to survive a hangover [title] Rehydrate your body. [step] Drinking too much can dehydrate you by making you urinate more. Drinking plenty of water and other liquids throughout the day may help ease the symptoms of a hangover. 
Even if it is difficult to drink something, just a few sips of water or another liquid can help you. [substeps] Keep a water bottle with you and sip from it during the day.