My daughter and SiL had a baby with insufferable colic, nothing worked and I was drafted in to take part pacing the floor whilst rubbing my GCs back so that they could collapse with exhaustion. The last thing they thought about was travelling abroad for a holiday, they could hardly stand up. Tbh is not a rest if the baby is still screaming with colic, doesn’t matter where they go. Is much more of a rest if grandparents, aunties/uncles or other trusted caregivers take the baby for several hours and so lets the parents sleep or just go out together for a walk/coffee.
And ‘yes’ it will be disruptive for those in other holiday flats, my daughter and SiL went to their neighbours and apologised and thought their neighbours kindly said they hadn’t heard a thing, as I was on my way down their street to help I could hear my GC screaming all the way down.
It is loud. Xx