For most of us sex is spontaneous and eventful at least when one is deep into the moment. However the aftermath is not always exhilarating. Your body might ache and crave for some relaxation and respite after the big night. Here are a few kind of pains you might experience after a wild night of lovemaking. 1. Headaches: While you are at the peak of pleasure it is annoying to experience a headache especially when you are reaching an orgasm. Sex induced headaches can happen before or during sex when one gets an orgasm or right after reaching the climax.