A less obvious thing I learned this year that I'd like to share:
After sleeping or napping and waking up inbetween, you might notice that you feel less capable and sometimes even defenseless versus negative thoughts/expectations (stemming from OCD and more). Insomnia, lack of sleep basically always increases mental health symptoms for me...
The thoughts and feelings are more free to develop when our "guard" is down.
It can feel quite bad. - Trying to start a new day, finding new energy just to be instantly greeted by some horrendous thoughts and feelings of anxiety.
I'm not at 100% yet where I can cope with this fully and feel comfortable. It does help to know that my coping and defense versus these psychological processes are simply "out of my control". I suppose it happens to the best of us

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It doesn't need to become a bigger thing - that it's going to be an indication that "this is going to be the rest of the day" - dealing with thoughts all day long that I don't want to develop accompanied with anxiety.
In the first post of this this thread I actually didn't include the "model" for OCD, so here it is:
View attachment 61943
More about this model a bit later

- it helped me identify things I can or can not control in my mind. There's different versions of this model to be found.