What it is
These two are easy to confuse.
Rest is the body settling because it feels safe.
Illumination without integration is the body settling because you temporarily clocked out of being you: a beautiful high, a flash of insight, a perfect escape. It’s more elegant than denial, and it’s still an escape. You come back to the same life unchanged.
How it shows up for me
I can chase illumination: a long run, a great idea at midnight, a spiritual moment. They feel like rest and leave me just as tired. Real rest is boring by comparison, and it’s the one that actually refills me.