This may be something that has an obvious answer to some of you, but I am honestly curious as to the line of thinking on these... it seems like most of the guns I have owned/shopped for did not offer night sights as a factory option. I have owned guns with night sights and thought that it certainly made it easier for me to make a reasoned movement to bring the sights to my eye.
That being said, if we are involved in a defensive scenario, people say that most of these things go down at 10 feet or less in the dark where you basically just point & shoot. How much use is a glow-in-the-dark set of night sights in that scenario?
All things being equal, I can see where the night sights would be better than non-night sights. However, as anything does, night sights cost money (say around $100-150) and I am just trying to think through the expense.