Why do my legs feel incredibly heavy and utterly tired when I first wake up in the morning?
1. Introduction Morning leg heaviness and fatigue are primarily caused by nocturnal fluid accumulation and poor venous return during sleep. When the body remains horizontal and inactive for hours, the muscular pumps of the lower legs are dormant, allowing lymphatic fluid and venous blood to pool in the distal extremities. This localized vascular engorgement creates … Read more