In recent years, researchers have discovered that we have a glymphatic system that acts as a self-cleaning oven for our brains. The catch is, it only works when we’re sleeping, and if you can’t sleep, you’re at risk of mental health problems.

Dr. Martin shares recent studies on chronic stress and depression, highlighting the role of cortisol and its effect on the brain's autophagy process. He discusses natural remedies like sunshine and probiotics that improve mood and overall mental health.