We can’t have motion-activated lights here, as the substantial deer population means that they go off and on all night. Know this for a fact because our house came with those, and we had to remove them asap or we’d never have gotten any sleep.
What we did was install floodlights on the barn eaves and sides that can be switched on/off at either our home or the barn. But I have excellent night vision, and used to rely on that to go out for late night bedcheck, rather than bothering to turn on the barn lights from the house.
Until the time I narrowly missed stepping on a rattlesnake, hurrying in the dark (I luckily stopped short right before, asking myself “What is that? A snake?,” why yes, it was). We were both surprised. After that experience, I always use the floods, or at least a flashlight.
There are additional stall, tack room, and aisle lights, of course.