Hi! I've noticed I tend to feel a lot better in terms of mood (not really happy, but content and less hopeless) and maybe even a little better cognitively after drinking a new kind of tea I bought (to help me sleep; not sure how much it's helped on that front yet). This is an exciting development for me because nothing has ever really helped me like this before, so I'm hoping someone with better knowledge of herbal supplements might be able to take a stab at which ingredient(s) could be having this effect so I can buy them separately. The tea is Yogi Tea Bedtime. Here are the ingredients: Thanks in advance for any suggestions.