Sleep Apnea Weight Gain Fundamentals Explained Understanding Sleep Apnea Sleep apnea, primarily obstructive sleep apnea (OSA), occurs when your airway obstructs during sleep. This blockage can take place many times a night. It interrupts your sleep and cuts off oxygen to your body. The National Institute of Health states 1 https://sleep-apnea-bedwetting61627.blogofoto.com/61962956/the-ultimate-guide-to-sleep-apnea