Drunkeness lowers a person's inhibitions, which can work either way. Some people are more truthful; some are more likely to lie. It just varies from person to person.
When people are drunk they tell everything they have imagined, fantasized about and desired. They also blurt out secrets or embarrassing information spontaneously. So not everything is the truth!
It depends on the people.People have good control on their brain.These people don't tell the truth even they drunk while Some people easily tell the truth.