my controlling 88 yr old mom has informed my dad who is 86 that after 4 pm he is not allowed water.. I video taped her yelling at him he does have some incontinence at night but changes his undies and they get washed every other day......he has not wet the bed.. dealing with both of them with dementia.....assisted living sounds better every day for him.....
On the opposite side of the scale is what Ferris mentioned:
W a t e r. I n t o x i c a t i o n .
Look it up.