It is not acceptable to dump a glass of water on someone while they are sleeping because it can seriously injure them or even worse, kill them.
Context: My little brother dumped a glass of water on me while I was sleeping just because we are in a prank war 
Hypothesis: It's totally acceptable for my brother would dump a glass of water on me while I am sleeping just because we are in a prank war

Given this context, is the hypothesis true (Yes/No/I don't know)?