Head up sleeping increases red blood cell volume🩸 Sleeping position might make you a better endurance athlete.Tom CoughlinJun 06, 2026∙ PaidShareDid You Know: Erythropoiesis Is Regulated by Changes in PostureThanks for reading Performance Nutrition Digest! Subscribe for free to receive new posts and support my work.SubscribeStudy DetailsThis new study investigated the effects of sleeping with either…1️⃣ Head-up sleeping position (HUS) - 6% tilt up2️⃣ Horizontal sleeping position (CON)…on erythropoiesis a…Continue reading this post for free, courtesy of Tom Coughlin.Claim my free postOr purchase a paid subscription.PreviousNext