The Iliad by Homer Book 14 Page 16

immortals, if you ever did me a service in times past, do one for me now, and I shall be grateful to you ever after. Close Jove’s keen eyes for me in slumber while I hold him clasped in my embrace, and I will give you a beautiful golden seat, that can never fall to pieces; my clubfooted son Vulcan shall make it for you, and he shall give it a footstool for you to rest your fair feet upon when you are at table.”

Then Sleep answered, “Juno, great queen of goddesses, daughter of mighty Saturn, I would lull any other of the gods to sleep without compunction, not even excepting the waters of Oceanus from whom all of them proceed, but I dare not go near Jove, nor send him to sleep unless he bids me. I have had one lesson already through doing what you asked me, on the day when Jove’s mighty son Hercules