Obstructive sleep apnea is a type of distributed widely used in sleep apnea
. It is caused by Airways obstruction by relaxing the muscles of the soft palate around the base of the tongue. If the airway is obstructed, it lowers the oxygen substance in the blood and leads to a condition known as hypoxia. It also raises blood pressure and increases the load on the heart. These conditions prevent the patients from entering deep sleep. This makes a person suffers from a lack of quality sleep.