If your living situation includes a lot of shared walls, it’s possible your neighbors are less excited about the new arrival than you are. Science has not yet figured out how to soundproof a baby, but these are some practical ways you can limit all the other noisy elements of your apartment or home. Making your appliances and stereo less annoying might buy some goodwill for when the kid melts down in the middle of the night. If you need to go the full renovation route to deal with the issue, learn how a professional soundproofer in New York City does the job right (and prepare to raid the college fund – $8,000 per wall!).