So, he was the original Andy Kaufman?

This is fascinating and horrifying. I often wonder if there are parasites we doing know about that affect human behavior.

It's been covered in science fiction a number of times - what comes to mind immediately is Marc Laidlaw's take. https://www.marclaidlaw.com/online-fiction/leng-along/

(He's a talented writer; if you know his name, it might be because he wrote for the Half-Life games.)

The girl with all the gifts.

As someone mentioned, Toxoplasmosis is one. We also know that your gut bacteria produce exudates that affect mood, sleep and other things.

One has to treat their housemates in the gut well to sleep well it seems. :)

Or clean house.

It's uncomfortable for sure, but you'll live through it - they won't. Get better tenants.

Probably. https://en.wikipedia.org/wiki/Toxoplasma_gondii

Pretty sure they meant "don't know about" in the phrase you're referring to. Perhaps they were posting from a portable "smart" device and got caught out by the ever so reliable "auto-wrong" system, or maybe they just had a "brain-fart" while typing fast…

That’s weird. Worked on my Mac in Firefox.

On a Mac, I use Magnet, which lets you snap windows all over the place, even on multiple monitors.

From Rear Window:

Lisa: Where does a man get inspiration to write a song like that?

Jeff: He gets it from the landlady once a month.