sorry I really don't know if this is the right place for my topic

I am a seemingly healthy 21 year old, in shape, non smoker, good diet, I only occasionally drink. This past weekend I was drinking a cheap vodka mixed drink and everything was fine before I went to bed. I woke up only after a couple hours of sleep and noticed my chest was really tight, my heart rate was slow with only a single beat, I felt extremely weak and about ready to black out. I was very scared thinking I was going to die, and even in my panic my heart rate would not go back to normal, only a single delayed beat repeating in my chest. Could it have been related to the alcohol? I was drunk that night but I did not over drink.

This is probably not the case but I keep thinking it has something to do with the fact that diabetes is an ongoing struggle in my family, a lot of family members have it including my mother. In my last blood test I was advised by my doctor to eat less carbs due to my high blood sugar, I think it was 119? after fasting.

does anyone have a reason for my late night episode?

thanks, I appreciate it