I really second that. It doesn't have to be really physical: for me simple things such as walking in the nature for a while help a lot. I also started yoga la

I really second that. It doesn't have to be really physical: for me simple things such as walking in the nature for a while help a lot. I also started yoga last year, and it has changed dramatically how I feel (no more back/neck pain, more focused etc). I'm actually increasing yoga to 2.5 hours per week now.