Laundry light/A.C. unit induced insomnia + other nuisances

My stupid next-door neighbor who has three stupid little girls has been driving me crazy recently. Actually, they've been doing that since they moved here.

They have a laundry room window that is directly across from my bedroom window. Every night, they turn it on for over a half hour. The worst part is they always do it as soon as I'm about to fall asleep. It is incredibly bright and even brighter when your pupils are huge at night.

One particular night last week, they had it on until 3 AM. Fucking torture. These photos are from that night.

This isn't as dark as it seems. Remember, my pupils were huge and I could
see everything in my room.

Open the curtain and voila, hurting eyes for the next hour.

Here is a picture of their window at another angle:

Notice the tree.

Same angle in the morning:

If you turn left about 47 degrees and look downward by about 20 degrees, you will see the A.C. unit that makes sound in addition to the light that keeps me awake nightly. It always scares the crap outta me when I'm just about to fall asleep.

Sometimes, a plant grew into it or some shit like that and when it turns on, it makes a quick, loud grinding/shredding noise like GRRTTTZZZKZZZTTT before going WHIRRRRRRRRR for the rest of the night.

Same tree.

The curious part is that they only use it at night, starting precisely at 9:54 PM each time.

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The other nuisance happened a few days before the party madness. (http://this-irritates-me.blogspot.com/2011/07/party-madness-during-night-of-7-23-11.html) The same girls living there plus another one were in the backyard visible from the above image. I got suspicious when they began whispering secretively and I hear "climb", "flower", and "fence." Sure enough, one of the stupid little girls WENT INTO MY YARD and took a flower before jumping back in. I would've ratted them out, but then their parents would get mad at ME for being invasive.

The next and final nuisance for this post is the cats at "Party Central". They recently got even more cats that like to trespass onto my property. I want to kill them or at least launch a vinegar/cabbage juice filled balloon at one. And hit it.