How often and when exactly do you do reality checks?

I was told it was better to try to make it a habit, so instead of just randomly doing it, I've started doing it whenever I meet up with a person I know. So if I run into someone randomly, I intentionally meet them. And especially when I shake hands.

I've done this because I've found there's a lot of meetings in my dreams, and so far it's been working well.

I also tried the timed thing, where I do a reality check ever hour or 2 hours based on when an alarm I set goes off, but that didn't work too well for me.

I'd like to hear though, what's your RC routine?