IANAD - but the explanation I ha e heard is there your brain compensates for the “slowing down” effect of alcohol by increasing brain activity. When alcohol is

IANAD - but the explanation I ha e heard is there your brain compensates for the “slowing down” effect of alcohol by increasing brain activity. When alcohol is eliminated from the system, the brain activity level needs time to come down to baseline causing anxiety. This is also - I think - the mechanism that contributes to the deadly nature of alcohol withdrawal.