All right, as a quick recap - sleep apnea can be due to physical obstruction of the airway or from a neurological malfunction initiated by imbalances in the blood's oxygen and carbon dioxide levels, which regulate breathing cycles.

得！快速回顾一下：睡眠呼吸暂停是由呼吸道阻塞，或血液中调节呼吸周期的氧气和二氧化碳浓度失衡引起的神经功能障碍。