Our boys had no fancy PB or RH nursery. They had plain IKEA cribs bolted into one for about a year. Then the cribs were reconfigured into the original two. When they started escaping over the top we took out an upright slat in each one. E REALLY liked to sleep with T.
Nap time was party down time. They would tilt any pictures, empty all drawers, take all toys, grab all books and stash them under the rug, behind the radiators, beneath the big floor pillows. Everyday. So no "decor" for them. They graduated to big boy IKEA beds and storage drawers. But still were limited to minimal decor. When nap time left us (early on) more things did go into the room. Trophies. Ribbons. Lego models. They displayed things on the chests I fixed up with maps of the favorite surfing beaches in NJ and NC.