Bedrooms for infants. When we brought our first baby home from the hospital, our pediatrician advised us to have her sleep in our room. Common attributes of Montessori baby rooms: a baby-proofed space that is safe for the baby to move and explore. a floor bed. a mobile above the floor bed. a mirror attached to the wall beside the bed or a horizontal mirror next to the floor bed. low pictures on the walls. low shelves. child-sized furniture.