On this week’s episode of the WHOOP Podcast, WHOOP Global Head of Human Performance Principal Scientist, Dr. Kristen Holmes, sits down with WHOOP Senior Scientist Dr. Bill von Hippel to discuss the science behind stress and sleep and its impact on performance. Dr. Bill von Hippel is a scientist, author, and renowned social psychologist and evolutionary specialist. In today’s episode, Dr. Holmes and Dr. von Hippel discuss cardiac responses to threats and challenges and the core 4 circadian beh...