Of course it can be real. But you want to remove all the easily manageable factors, like dehydration. We had this with my kids a few times:
My head hurts
Do you remember drinking water or other stuff?
Will the water help with my headache?
Could help, could not, but you can try
It was kinda hard to explain that this is not a game mechanic where you have a clear countermeasure to a negative status, but they more or less understand it now
Of course it can be real. But you want to remove all the easily manageable factors, like dehydration. We had this with my kids a few times:
It was kinda hard to explain that this is not a game mechanic where you have a clear countermeasure to a negative status, but they more or less understand it now