The area and the house itself are very quiet (no A/Cs or other white noise producing apparati anywhere), the bed is soft (memory foam?), but doesn't hang through anywhere, and the combination of quiet and soft made sure I had good sleep every night.
We never met Susie, but I did meet her partner/husband(?) and we had a friendly chat. However, her mother lives in the front bedroom of the house and stays there most of every day. She does not speak a lot of English, but then I don't speak much Spanish either, but we were able to piece a few things together and she was friendly. She has a nice little garden with lots of fruit in it. :-)
The area is fairly quiet and I felt comfortable enough to walk there at night by myself (110 lbs, 5'3" female), but I also have plenty of experience walking big cities all over the planet at night by myself. I feel pretty certain though, that if you're not obviously carrying around a bunch valuables in plain sight, no one is going to mess with you.