Your second brain holds secrets to your mental health and sleep. Meet Your Second Brain Most of us were never taught that the gut and the brain are in constant, dynamic conversation. The enteric nervous system, a complex network of over 500 million neurons lining the gastrointestinal tract, is so sophisticated that scientists now call it the “second brain.” This gut-brain axis is a bidirectional communication superhighway, and what happens in your gut doesn’t stay in your gut

If you've read the last two posts, you know that sleep isn't just a brain problem. Your melatonin depends on tryptophan from food. Your tryptophan pathway depends on B6, magnesium, and healthy gut bacteria. Your gut bacteria depend on what you eat, how well you sleep, and whether your gut lining is intact enough to absorb any of it. For a lot of people, poor sleep isn't one problem. It's a chain of small failures that reinforce each other — which is why fixing just one thin

Beyond the tired advice of cutting caffeine and skipping nightcaps — here's what your dinner plate can actually do for your circadian rhythm. You already know the rules. No coffee after 2 p.m. Avoid alcohol before bed. Put down the screens. Good. Now forget all of that, or rather, set it aside, because there's a whole other layer of sleep science hiding in your kitchen that almost nobody talks about. Your body needs raw materials to make sleep hormones. Specific amino acids a