After putting the babies down for their afternoon nap today, I made myself a little lunch and sat down for a spell to eat before getting back to work. A few minutes into my meal I noticed the curtain at Elliott's bed moving. After a few more bites, I looked up to find him peering at me. He has now learned how to move his curtain and see what the world does while he is napping.
After I moved myself out of his line of view, he settled into his nap.