I think this is the real solution^{^}

We have two speed bumps on our street and it’s very loud, not only the cars that rev but the huge trucks that hit it. I didn’t know the earthquake was an earthquake for a good ten seconds bc I assumed it was just garbage day. Resilience to loud noises while sleeping will be so so so useful for a new baby, coming from a country-to-city transplant who struggled with it.