We have wees straight away after she's been out too. According to a youtuber dog lady, ouppies aren't always good at emotyingtheir bladder in one go, so if you think the whole wee didn't come out, give them a few more minutes.
NotQuitePup is very lazy. I know her breed are very chill though. She gets zoomies, but after some tug of war, running about after the football and belly rubs, she's happy to entertain herself. I kind of expected her to be more energetic, so I end up worrying she's sleeping too much, but her siblings are the same I'm told.
No advice about barking I'm afraid oriel hopefully your neighbours are understanding.