I don’t have a baby yet, I’m currently expecting, but I use Dr. Teals melatonin bath soap for myself and it’s so relaxing. Just googled and they make it for kids too! Maybe try it out and see if you’ll get results. https://www.target.com/p/dr-teal-39-s-kids-3-in-1-sleep-bath-with-melatonin-38-essential-oils-lavender-20-fl-oz/-/A-80116510#lnk=sametab