Not sure there's much value in phosphorescent (glow in the dark or GITD) sights because you have to charge them and who plans their gunfights
I will say good charges on general good GITD materials will last hours, not minutes, but you do have to charge them. And your flashlight won't do that.
Now, what's confusing is that it
used to. GITD materials absorb light to change the charge state of some molecules which then emit light slowly over time. Weird part is they absorb only UV light. In fact, only appx 365 nm UV light. So, they work great in sunlight, pretty well for incandescent white light bulbs (which are horribly inefficient, emit all sorts of other radiation) and really, really poorly from white light LEDs.
So if you do still use cateyes or have some glow in the dark think for anything at all (even you just may have to evacuate from a high rise with glowing markers on the staircases) get yourself a UV keychain light to charge the stuff up. 1 second with very very dim UV will beat 30 seconds with a modern LED 1000 lumen light. Really.