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.
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click on "Copy report" to copy to the clipboard
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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.
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which results in...
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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:
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😏