Introducing Biological Age: an evolving view of how your body is aging, built into the @eightsleep app. Every night, your Pod measures your heart rate, HRV, and sleep automatically, no wearable required. Connect Apple Health or Health Connect to factor in your workouts. In the U.S., connect HealthEx to add your health history and medical records for an even fuller picture. Developed in collaboration with @bryanjohnson_, founder of Immortals and one of the world's most prominent voices in longevity. Update the Eight Sleep app and discover your Biological Age today.