I can think of two airports near Toronto which close late at night, but that's not because it's night, but rather to keep the neighbours happy with no noise after 11PM. All the other airports I can think of are either always open, or have ARCAL lights, so you open it yourself.
Here at home, my wife turns on the runway lights when I text her. I quite enjoy night flying, though I don't make a habit of really long night cross countries any more, unless it's a beauty night over a relatively populated area.