This was what I got from it too.
She was offended that they would think that she would attack them with boiling water.
It's kinda like she said "don't bring that Hateful ideas into my house." She was warding of the bad juju and disagreeing at the same time.
I think she's also not dumb and knows what officers are capable of and might have knew where things were going. The police were escalating the situation for no good reason. And she was scared, cause they kill people who are black for very little. In this case they killed her for listening to them.
The trick is to not care about what other people say is a good time to wake up. A good time to wake up is when you feel well rested.
Fuck the premise that everyone should wake up early and that it's a good or virtuous thing. Getting a good night's sleep is a good thing.