Oof. I feel you. The last two years for me were a pressure cooker of caregiving for dying parents, and a whole host of smaller problems. I can't say I'll win any awards for how I coped, but here's my list.
- For the nighttime rumination and freak outs, I got a sleep headset and either listened to sleep stories on the Calm app, or episodes of old sitcoms. When I'd wake up and start freaking, it was helpful to have something to focus on so I could co back to sleep. Helpful tip that learned from a counselor: Set the volume just low enough so you can barely hear it. If your brain has to work to hear the story, it tires itself out quicker and you'll fall asleep. I was dubious, but it worked.
- Exercise. I'm not talking gym rat levels of pumping iron, but making sure that at a minimum each day I went for a walk, or did a small yoga routine, or a video. Just something to move and burn off some of the anxiety.
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Lego. It ain't cheap, but it's soothing.
- Coloring. Yes, I'm an adult, but you can pry my markers and colored pencils from my cold dead hands.
- Focus on what I can control. I tuned out the news, social media, and all the other garbage going on in the world. When your personal world is falling apart, you don't need all the other negativity honing in. There's nothing I could do about any of it, so I turned inward and focused on what I had to do each day.
- Other hobbies. I took up crochet as something to do in waiting rooms, etc. I suck at it, but it gave me something to do besides worry.
- As for food I just dealt with it. Some days I was hungry, some days not. I just gave myself permission to eat when and (pretty much) what I wanted. I tried to stay healthy but some days if all I wanted was McDonalds, then that's what I had and no judgment.
- I wasn't able to have much of a work life or social life. I had to give up my job and most of my friends moved on or away while I was caregiving. But I kept my ear to the ground for opportunities that I could do when it was "over." Now that it is over, I've joined a local book club I heard about, and taken a part time job writing for a website that a friend mentioned a while back. I've got my eye on a couple of other things, too, but I'm sort of reintroducing myself to the world slowly. It helped to remind me that I would have a life again and I needed to look to the future, as well as dealing with what was going on in the present.
- Scream and cry when you need to, and no embarrassment about it. I broke down in public more times than I can count and when people just looked at me, I just blew them off or said, "Sorry, I'm going through a lot."
- Related to that, don't be afraid to talk about it. When people asked, "How's it going?" I was honest that I was struggling. I shared my experience with people (my parents' neighbors, doctors, people from church, etc.) and every time I did, I got support. It was surprising how many people could relate, or just wanted to offer support or share a resource. I don't think I burdened anyone with my problems, and many stepped up to help. You don't have to suffer in silence.
I wish you well.