I simplify the hell out of everything. Same clothes, purge clutter, anything at all that I can live without that will hold weight in my brain. I eliminate having to think about the small inconsequential stressors that are things I would ordinarily ignore as decisions but suddenly feel heavy because of whatever big/hard/PTSD thing is happening. I don't care if I have the same exact shirt and jean combo for weeks/months/years. No joke, I was going through some things about a week ago and found 7 of the same style/feel shirt but with two color variations depending on activity. Black and white, and it is my favorite shirt because I can wear it and never think about it. Hence 7 of them. I have gone a few years with VERY little variation because of, well, life and my poor little brain.
Food can be a challenge when decisions are hard. As in I would rather skip eating than have to tackle the monumental task of deciding what to eat, how to cook it, then the cleaning, where is MY fork, I don't want to eat anymore. Cooking isn't something I love, unless I am being very intentional and it's new stuff I am trying. Otherwise I get bored w/ it and the ROI isn't there. Soooo, meal replacement shakes! Blech, but it does the trick and I am not gorging myself on convenient and heavily processed foods for my energy. Another cool thing I have started is meal prep ordering. There is a local fella that sells meal prep for a super reasonable price (and clean), so I get one for each day of the week so it gaurentees real food in my body at least once a day. It takes out all the stuff that makes eating a chore. I text him at the begining of the week to throw together whatever he has and i'll eat it.
Last thing I will mention that seems to take an edge down, I turn off my phone alerts to the absolute bare minimum I can. The less I see when I am working on my phone the better. I am not saying I am ignoring things, but I will only allow urgent things thru. Everything else can wait until my bought out time for it. Basically, I treat my phone like a landline except for actual urgent events. People in my life balked at it at first but eventually got used to it. I understand why, it wasn't because they felt like I should answer their call because I have my phone on me, but they were unsure as to whether I was busy or if I was not okay and/or isolating. This one though is sticking around as best practice regardless of what's going on, it feels so much better this way.