Is that you don’t realize that’s what it is until you actually fix it.
Headache and crankiness for six hours? Couple of Aleve, nope. Lots of water, nope. Food, nope.
But a cup of tea makes you feel ten times better.
If I’d known that I would have had some hours ago and actually done something with my night. X_x
Ah well… no point in fretting over it now.