Make your own adventure

Bitten by the stories of people dying in their sleep after a full meal, you slap and pinch yourself awake. Still, that wasn't enough, so you took a knife and stab your knee. You pour vinegar onto the wound to make it sting. Aaah, finally, that got the sleep out of you.

Unfortunately, you severed an artery and your knee is now gushing blood. What do you do?