Why do my eyes water profusely when I yawn in the morning?
1. Introduction When you yawn in the morning, the intense stretching of facial muscles physically compresses the lacrimal glands, forcing a sudden surge of tears onto the ocular surface. Simultaneously, the tightly squeezed eyelids momentarily clamp shut the delicate tear drainage ducts, causing the excess fluid to pool and spill over the eyelashes. Understanding the … Read more