BBC News - Drinking coffee 'will not sober you up' when drunk
BBC News - Drinking coffee 'will not sober you up' when drunk: "Reaching for a mug of coffee may be the worst thing you can to do to try to sober up, a study suggests.
Research on mice indicates the drink may make you feel that you are coming to your senses - but it is only an illusion.
In fact, it makes it harder for people to realise they are under the influence of alcohol."