Appearing sober. Share on Pinterest Caffeine may help someone appear more alert. However, coffee will not change the blood alcohol concentration in the body. There is nothing a person can do to bring down the blood alcohol concentration or BAC level in their body.

Will coffee sober me up?

Coffee cannot 'sober you up. ' It does not get rid of alcohol from the system. If you have an alcohol level above the legal limit, you can drink all the coffee you want and the alcohol level will not magically fall faster than it would have if you had not drunk the coffee.

Why do sober people drink coffee?

The main reason people in recovery say they drink coffee is that they feel better, they're more alert, and they concentrate better. Depression, insomnia, fatigue, and poor concentration are common early in recovery. An extra cup or two can help you stay alert and focused.