neighbour left me a note lol

Got a handwritten note on the door this morning. Something about the barking at night. I have lived on this street in Prawet for 6 years and Waffle has been barking at the same cat since she was a puppy, so I did not expect this to be new. Turns out the noise is from 5 am when the neighbour's alarm goes off and Waffle joins the chorus. Honestly I am not sure whose fault that is. I talked to the neighbour in the soi and we had a laugh. She is actually very nice, her daughter wants to pet Waffle every day on the way to school. The note was just polite. I bought a new bark collar and it made things worse, she yelled at it all day. So I went back to the old ways, a long walk in the evening and a bowl of boiled chicken before bed. She sleeps till 6 now. If anyone has a trick to stop a six year old mixed dog from doing the 5am show please let me know. I will try anything except the collar.