My daughter was a teacher and now can no longer teach due to ptsd and bipolar.
In terms of triggers and work stresses can I recommend a few threads to read. The first post is the important one.
Just put them in the search bar at the top.
triggers that down you, triggers that lift you
fortress of survival (workplace)
guilt the tormentor
worry worry worry
anxiety how I eliminated it
meditation, he helped me for 25 years- Maharaji
we have thousands of threads you can search for