I was hoping it'd be like that: "Clock out" and then forget about things. Except it's not, and I have dreams revolving around exactly how to solve a certain problem. Maybe if I became a lumberjack I could rest at night.
I find the drive home is the time to unwind for that. It isn't a long drive but I try and force myself to forget it.
Of course, I might end up tinkering with stuff in the evening but I try and make it my own code, not works, to keep that separation. But mostly I will attempt to avoid computer "work".
I think if it gets too much I will become a gardener for the council and mow lawns. All that green is quite therapeutic, and you can see where you've been and where you've got to go on a lawn, so it is good.