DND_Reborn
The High Aldwin
I do check frequency depending on the area, but usually a 1 in 6 per hour check. I never do it more often than 1 hour, but will increase the probability to 2 in 6 if a really hostile/patrolled area. Often, I might only do a check every four hours if a more sparse area.FWIW guidance in the DMG is a check per 4-8 hours, albeit I've found in the published adventures it's typically a check per 8 hours. Often at a 16+ on the d20.
Now, of course not every encounter is bad, and many are neutral or can even be beneficial depending on how the PCs play it out.
You have some good ideas in your system, but it is a bit too complex with distinctions for me, personally. I'm glad you like it though, and I think that is obviously the most important thing: finding a rest system you like, the fits your play style and flavor, makes sense in your world, etc.