The main one is sleeping hygiene , I have my routine. My cat is pat of the routine too.
every night after I get in bed he comes up for a good night hug and then goes to tour the house. If I read too long he comes back and warns me that it’s time to turn the light out.
A big one is checking my thoughts by asking myself “in the grand scheme of things is this worth it. “. It helps to realize I’m not the center of the universe and our sun isn’t even the center and that after all this big issue really is tiny.
I keep a savings account. It is amazing how much it calms me to know I have a cushion.