What is sleep apnea?
A person with sleep apnea stops breathing for short periods while sleeping. There are three types of sleep apnea: obstructive sleep apnea, central sleep apnea, and mixed sleep apnea. In those with obstructive sleep apnea, structures in the mouth or throat block the airway during sleep. In those with central sleep apnea, weak signals from the brain reduce the normal drive to breathe. Mixed sleep apnea is a combination of obstructive and central sleep apnea. Sleep apnea is more common in men.

What are the symptoms of sleep apnea?
Symptoms of sleep apnea include snoring, awakening frequently during the night, excessive daytime sleepiness, poor memory, and headaches.

How does the doctor treat sleep apnea?
Treatment for sleep apnea may include weight loss if you are overweight, a breathing mask that keeps the upper airway open, oxygen therapy, or surgery.