This week we revisit an all-time classic episode all about Heart Rate Variability (HRV). VP of Performance Kristen Holmes and SVP of Data Science and Research Emily Capodilupo dive deep into everything there is to know about HRV – and why it’s such a critical metric for evaluating your body’s readiness to perform. Learn what HRV is (3:00), why it’s so valuable to measure (6:35), and how it is a sign of fitness (9:40). Find out why WHOOP collects HRV data during sleep (17:05) and how it can impact your recovery score (22:27). Emily and Kristen explain how HRV can fluctuate on a daily basis (25:58) and how there is no true “normal” HRV (29:23). Hear some simple lifestyle choices that can improve your HRV (36:15) as well as how hydration (36:15), nutrition (38:43), and sleep (41:55) relate to HRV.