For reference, the local council noise control officer eventually gave her a written warning. She's the asshole for knowingly not being respectful of multiple neighbours' basic requirements for sleep. Even when I approached her nicely about it, after taking her bins out for 5 years, the response was "fuck off" and the door slammed in my face.
Sometimes the only way to deal with an asshole is serve them their own medicine.
And in no way does age or disability excuse poor behaviour. I know that as a parent of a disabled child with mental health issues...