SLEEP APNEA Essay
What is Sleep Apnea?
The Greek word "apnea" literally means "without breath." There are three types of sleep apnea: obstructive, central, and mixed; of the three, Obstructive Sleep Apnea (OSA) is the most common. Despite the difference in the root cause of each type, in all three, people with untreated sleep apnea stop breathing repeatedly during their sleep, sometimes hundreds of times during the night and often for a minute or longer.
Obstructive sleep apnea is caused by a blockage of the airway, usually when the soft tissue in the rear of the throat collapses and closes during sleep. In central sleep apnea, the airway is not blocked but the brain fails to signal the muscles to breathe. Mixed sleep …show more content…
3. One of the reasons for the upper airway to become narrowed at night is because the tongue falls posteriorly, especially in the supine position. Since the tongue is attached to mandible this can be a significant problem in people with retrognathia and/or a very large tongue. It is possible to use a dental splint at night that effectively prevents