I honestly don't recomend it to you, and hope that you reconsider one night stands.
One night stands are very emotionally draining and can lead to depression. No amount of sex will satisfy the need for companion and understanding, and if all you want is an orgasm you should truly reconsider the entire situation.
No person has ever had sex with others without getting their feelings involved, and sooner or later your mind, heart and soul will make you pay back for the broken things.
Trust me, I stopped it, and as soon as I did I started becoming better balanced and dating serious girls. It is better to wait than to embark in a neverending quest for pleasure.