Most of our readers are proponents of a main-floor primary bedroom, particularly if you plan on aging in your home. Even if that’s decades away, there’s another clear benefit to creating an ensuite on the main level: “You can keep a better eye on and hear what’s happening with teenagers going in and out if you’re on the main floor,” states contributor Margie. Keeping an ear out for the comings and goings of your kids may help you sleep better at night, knowing they made it safely home.