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.

Lack of oxygen in the brain is a serious condition that can damage brain cells permanently. Knowing the signs and symptoms of this condition can help us detect it early and seek medical attention promptly.