That's a huge mug! I use one like that to have vegetable broth and podrrige. Our Simpson mugs 😂 (these mugs have never seen coffee intheir lives:
These cups have three times the capacity of my usual cup, which I have been using for a long time and which holds 140 ml, twice a demitasse (the size for normal people, people free of coffee-related disorders 🤣):
Nothing is wrong with you now, I think. Caffeine is affecting you as it should. The same is happening to me for reasons still unknown to me.