A walk is just another way to medidate, at least for me. I've discovered long walks four years ago and they became my one of my favourite hobbies in a blink. There is some paradoxality in this: many of the walks are organized events where thoudsands of people take part. I however always go alone and do not take my headphones. So it is just me, dozens of kilometers of the road and some nice volunteers at checkpoints. Hours and hours of me being with myself. I think for the brain is kind of like the sleep, time to reorganize, recconect and clean-up, just while being awake.
Our most popular organizer of such events, Trenkturas, come up with an idea during COVID lockdowns (going out was not forbidden, but public gatherings were and are still restricted): solo hikes. You select a route, a time slot, pay a couple of euros and get the link to the route, so you can follow it on your phone. This idea proved to be very popular.