Sleep apnea may be present if you wake up with your throat closed during sleep and are suffocated. Sleep apnea is a lack of oxygen during sleep due to the narrowing of the airway, and in severe cases can be suffocated to wake up, this situation should be further examined, you can do sleep apnea monitoring. If sleep apnea monitoring suggests that there is obvious apnea and hypoxia during sleep, it is necessary to further clarify whether there is any foreign body or obstruction in the airway. If there is no foreign body or obstruction in the airway, and it is only the narrowing of the airway during sleep, it is necessary to wear non-invasive ventilator, which opens up the airway and intervenes in the narrowing of the airway that occurs during sleep, and improves the hypoxia of the body. Condition.