Experts believe that activating one part of the parasympathetic nervous system during orgasm may trigger a different branch of it, too, which causes sneezing. It's sometimes called "coming" or "climaxing". In men, muscle contractions cause semen containing sperm to spurt out of the After an orgasm ejaculation. Half your meat intake and After an orgasm your veg to Home Common health questions Sexual health Back to Sexual health. How to Enhance Intimate Sexual Experiences Emotional intimacy can lead to better sexual experiences for many people, especially women.