To also contribute to the discussion. I often joke that it takes effort to mess things up. You could instead lay on the beach enjoy the evening breeze than putting in that effort. So before you delve into that process, take a step back and think carefully what you want out of it.

I like long walks accompanied by music (ambient music). Walking can be a deeply meditative experience, just pick terrain that won't give you trouble (no high traffic streets, no steep hills etc) and just go. Walk until your body starts doing it mechanically, and don't focus on the destination nor in search of stimuli. Maybe because walking exerts energy, it can be more effective than just sitting or laying down - when you are really energetic and not tired. Maybe because the scenery changes and it acts as a context switch to our minds.

It has been both effective as a form of emotion regulation, coming up with novel solutions, and just feeling more in sync with myself.