I’m really sensitive to light when I sleep. I’ve got blackout curtains, no annoying little lights on any devices, the usual. One of the advantages is that by having a smart light bulb set to gradually turn on alongside my alarm, it really wakes me the hell up. Maybe try incorporating a light to yours?
They hypothesize that attaching a compromised USB drive to an air gapped system is to blame. That seems to be a well known vector at this point. Does it matter much what tool is used to copy data once it’s in?