Yea 'wedding night sex' is actually a bit of an outdated tradition - pre-marital sex is the norm and modern weddings are boozier and go on later in to the night than they used - most couples are too emotionally and physically exhausted (and drunk) by the end
Nonsensical question aside, one of the great parts about marrying someone youโve had sex with a million times is that when you experience the exhaustion of a whole wedding day thereโs no pressure to do anything but sleep if you want