What Happens to Your Heart Between 3 AM and 6 AM | Dr. Mandell

Have you ever wondered why your heart seems more vulnerable in the early morning… before you even get out of bed? In this video I break down a little-known physiological danger window between approximately 3 a.m. and 6 a.m., why your cardiovascular system is under extra stress, and most importantly — what you can do to protect your heart, nervous system and blood vessels during that time.