How much did you drink? Sufficient amounts of alcohol will generally stop the liver from releasing glycogen. But that does not mean your blood sugar will automatically drop, it just means your liver would not be adding more sugar to your blood. The liver’s priority becomes removing the alcohol. But whatever blood glucose is in your blood does not get removed at a faster rate just because of the alcohol.
But it might take a large amount before you notice it. And a large amount for you might be more than for someone else. You know, being Canadian and all…