http://www.netdoctor.co.uk/medicines/100004961 .html
"If you are more than twelve hours late in taking this pill you will not be protected from pregnancy and should use an extra barrier method of contraception, eg condoms, for the next seven days, while continuing with your normal pill taking."
So, yes, that would suggest you should think about a pregnancy test, though it would seem unlikely (but not impossible) for you to get prenant.
More to the point, if you're in the habit of sleeping with people when you're drunk you really need to get into the habit of also using condoms just to keep yourself safe.