Lack of oxygen when sleeping, or sleep-related hypoxemia is the phenomenon of decreased blood oxygen and increased blood carbon dioxide levels. Sleep-related hypoxemia, if not diagnosed and treated in time, can lead to full-body oxygen deprivation, together with a series of metabolism disorders such as hypertension, myocardial infarction, occlusive stroke, brain hemorrhage…, or even sudden death.

Many people feel dry throat, sore throat, etc., after waking up. There are many reasons why you may experience a sore throat after waking up. So what are those reasons and how to reduce a sore throat after waking up?

There are several reasons why you may experience dry mouth upon waking. Sleeping habits, medications you are taking, or an underlying medical condition could be contributing factors. If the dry mouth is severe and persistent, it is advisable to consult a doctor. The doctor will perform an examination to identify the cause and recommend an appropriate treatment plan based on your health condition.