This length of time usually depends on how recently and how much you drank. Breathalyzers can detect alcohol in your breath up to 24 hours after drinking. Drinking water cannot sober you up, but it…
Health Q&A: How does alcohol cause dehydration?
One glass of liquor drunk slowly over the course of an evening will be less dehydrating than having several beers or glasses of wine during the same time frame. Alcohol works as a diuretic largely…