The main cause of sleep apnea is an obstruction of the respiratory passages of the back throat, which causes an interruption or reduction of the patient's breathing when sleeping.
Sleep apnea is a sleep and breathing disorder. During snoring, the pharyngeal muscles are relaxed and the soft tissues of the pharynx tend to obstruct the upper airways.
Snoring becomes more intense as the passage narrows, and apnea occurs when the walls of the pharynx have completely collapsed and block the passage of air.The person needs to wake up, the muscles to contract to let the air out again, to allow the breathing to return in a normal way.
Sleep apnea is finally quite common, affecting men more than women. Children can also be affected, especially if they have large tonsils that can be involved. People who have a big uvula, a big tongue, a small chin, a chin returned ... are more willing to snoring and the risk of sleep apnea.
Obesity, snoring are also risk factors, as well as smoking and excessive drinking.
In fact there are different types of sleep apnea. Like central apnea, obstructive apnea, etc.
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