results are a feeling of sleepiness/grogginess. persons are usually able to overcome such a feeling by midday. as for the former part of the day, you might as well be living as a zombie.
nyquil hangovers usually fuck you over when you're too anxious for a 7am midterm and you take nyquil around 8pm the previous night but don't fall asleep until 2am. when you wake up, voila, a splendid nyquil hangover.
you feel like shit, so you drink coffee. the coffee does absolutely nothing. so you drink a rebull, the redbull does absolutely nothing. soon you can feel your heart racing from all the caffeine and b12, but you still want to sleep. these are the true side effects of a nyquil hangover
Becky: nigga, you popped too much nyquil, now you got dat nyquil hangover