For a shared room, custom furniture makes sense. Provide Lots of StorageOne of the biggest drivers of arguments in any shared bedroom is mess. So, it’s important to provide plenty of storage for all the kids who are sharing the room, so they have space to place their items. Decorate for All KidsWhether you have two, three, or more kids sharing the room, it is important to decorate for all of them. Have Set Routines and BedtimesBedtime can be a little harder if you have kids of multiple ages sharing a room.