How to deal with feral cats in my yard? And neighbors dogs barking that are left out all day?

I have neighbors that have dogs that are left out all day. And by 9pm start barking their brains out and makes it hard to sleep. Yes even with the windows closed. Calling the police does not work. I’ve tried.

The cat question I’ve tried to work out. My neighbor has been feeding stray cats since 2008. I’m allergic. She leaves cat carriers in her yard with food in them. They wonder into my yard. I’ve contacted Animal Control. They know my neighbor. They told me last year “There’s nothing we can do.” I’ve tried cat repellent, I’ve tried cayenne pepper. Nothing works.

How can ask my neighbors to have their dogs not bark their brains out at 9–11pm??

And how can I keep cats out of my yard??