What version of macOS are you running? apple icon > about this mac
Continue running activity monitor. See if you can see any trends.
I'd run etrecheck. Etrecheck will analyze your machine and software and generate a report. Post results here so others can view. Experienced users have found the reported information useful when diagnosing problems. The proprietary stuff in the report gets filtered.
Install and run
-- Download etrecheck. Goto the EtreCheck download page. The download link is at the bottom of the screen
-- Install etrecheck. Goto your download folder. Double click on EtreCheckPro.zip
-- drag the app to the application folder if you wish.
-- Double click on etrecheck to run. The first five runs are free.
How to report etrecheck data.
When the report is done, click on the export icon.
click on "Copy report" to copy to the clipboard
Get back in your web browser and access your discussion. Create a new reply. Click on the <> code icon. Paste you etrecheck output into the code block.
which results in...
Robert
PS. You may find Old Toad's write up helpful.
How to use the Add Text Feature When Post… - Apple Community
R
PS.
Here is what I found:
😏