Ok, this is common in people who drink a LOT of alcohol to the point where they pass out, not 1-3 drinks. And, in this context, unable to get out of bed and the alcohol also fills up the bladder. So, an underlying factor most likely is alcoholism. That s bad. Frankly, the other possibilities sound worse but aren t. Alcohol triggering a seizure and causing bed wetting is controllable. Having an underlying bladder and urethral problem contributing to bed wetting is really common in women and really rare in non-elderly males and also controllable (easily). Likewise a minor infection in the bladder/urinary tract potentially bad if untreated. Rare to occur without other signs of being infected and easily treated. Simple tests for urinary tract problems... .urinalysis.. runs about 20 bucks.