In this answer, soberity is defined as: the condition of not having any measurable levels, or effects from mood-altering drugs especially alcohol. It seems that mixing stimulants with alcohol has a masking effect: Stimulants & Alcohol: A MASKING EFFECT When you mix alcohol with stimulants, the stimulants mask the effects of how your body is experiencing the alcohol. Depending on how much is consumed, over the course of however many hours, your Blood Alcohol Levels may feel inaccurate due to the fact the stimulants are interrupting the body’s natural ability to process the alcohol and send you the appropriate messages. (ref) In a post, the National Council on Alcoholism and Drug Dependence has announced that mixing energy drinks (stimulants with a lot of caffeine) with alcohol (depressant) can lead to “wide-awake drunkenness,” where caffeine masks the feeling of drunkenness but does not d