You know most people don't let them out in the morning until 8am or 9am at the weekend? Does the same apply for the evening? Mine are trying to sleep in the back bedroom and next door's four year old is yelling and banging her toys on the concrete...
I do tend to get unreasonably annoyed about things disturbing my children's sleep but would I BU to ask the parents to keep her quiet? she should be in bloody bed
Just so not by stealth - we live in really small terraced houses so can hear every noise in every room not just back garden.