Sphenoid Sinusitis: Headaches, Fungal Causes, and Treatments Have you ever had head pain so painful it felt like your head was splitting? I once felt like that, snuggled in bed, not able to face the light. I was dealing with sphenoid sinusitis, a condition that can really tinker your life. https://sleep-apnea-bedwetting19561.targetblogs.com/32016756/4-simple-techniques-for-sphenoid-sinusitis