If you are drunk and your sexual function is weakened the next day, it may be due to the inhibition of the cerebral cortex and the triggering of reproductive system diseases. 1. Cerebral cortex inhibition: If you drink too much alcohol, the next day the cerebral cortex is still in a state of paralysis, can not be excited during sex, sexual function will be weakened. 2. induce reproductive system diseases: if itself has like prostatitis, seminal vesiculitis and other reproductive system diseases, after drinking, ethanol on the reproductive system to produce a certain amount of stimulation, will induce the above mentioned diseases, so that the sexual function is weakened. If you are drunk and your sexual function is weakened the next day and you do not see any relief after resting, you should go to the hospital in time to avoid delaying your condition.