About Septoplasty Houston Sleep Apnea: What is It? Sleep apnea, mainly obstructive sleep apnea (OSA), happens when your airway blocks during sleep. This obstruction can occur many times a night. It interrupts your sleep and cuts off oxygen to your body. The National Institute of Health states 1 in 5 https://codygbwqj.activosblog.com/30049953/sleep-apnea-fundamentals-explained