Sleep is very important! Approximately 70% of North Americans have issues sleeping. When you sleep, nerve cells called microglia help to detox the brain. If you don't sleep this detox doesn't happen. In this podcast Dr.Martin discusses what happens when we don't sleep and the 2 hormones that affect sleep the most. HINT: Insulin and Cortisol He also talks about ways to lower your cortisol so you can get to sleep. If you're having a hard time falling asleep or staying asleep you don't want to miss this episode.