Combination in a single garment of cooing and sleeping bag for babies from 3 to 9 months, made with a soft and rich cotton fabric. It includes side snaps with the option of being closed, suitable for the baby to feel as if it were in the mother's womb, or unzip the zippers to remove the arms and thus use it as a sleeping bag. It also incorporates a two-way side zipper, ideal for changing diapers, especially at night.