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Sleep Apnea

What is Sleep Apnea?
It is a dangerous medical condition, in which the patient stops breathing during sleep. Without breathing, the oxygen level in the blood starts to fall until the brain triggers a "gasping reflex", which delivers a lung full of oxygen to the bloodstream. A Few minutes later, the cycle repeats itself.
Fall asleep --> Stop breathing --> Oxygen level drops --> Gasp for air --> Get oxygen --> Fall asleep

This cycle repeats itself over and over, all night long. Because of this, the patient never gets to the deeper, more restful stage 4 sleep, but stays in a light sleep state all night. Without getting the more restful stage 4 sleep, it is common to experience:

*  Excessive daytime drowsiness
*  Short term memory loss
*  Mood changes

What is the cause of sleep apnea? As you fall asleep, and you relax, your tongue falls backwards towards your throat, and partially blocks your airway. (When there is a partial blockage, the tongue flaps against the back of your throat when you breathe, and it creates a "snoring" sound.) This happens most frequently when you are lying on your back. If the airway is completely blocked, breathing momentarily stops, and the cycle of sleep apnea and gasping starts.
In an extreme case, is possible that the gasping reflex might not be triggered, and the oxygen level just keeps dropping until the patient just quietly dies in his or her sleep. That's why medical professionals treat sleep apnea as a serious life-threatening condition!
How would you know if you have sleep apnea? Usually, the patient is unaware of his or her restlessness during the night, but his or her spouse usually knows. Your partner hears you stop breathing, then hears you gasping for air, then the breathing stops again. Sometimes, they will poke you to get you to start breathing. Then they will insist that you see a doctor.
How is sleep apnea treated? There are several approved treatments, but they all focus on unblocking your airway, or just forcing air past a partial airway blockage. But the first step in treatment is to determine if you really have sleep apnea. (All people with sleep apnea snore, but not all snorers have sleep apnea!)
A diagnosis of sleep apnea is only possible after having a sleep test, called a "polysomnogram", where you are tested all night long in a sleep center. You have various sensors and electrodes attached, and your vital signs are monitored all night. The doctors check your blood oxygen levels, your rate of breathing, the depth of your breaths, the frequency and duration of your apnea episodes, and the effect of your stage of sleep.
If you are diagnosed with sleep apnea, there are only three medically accepted treatments.
1. Throat surgery:  Excess tissue is cut away from the back of your throat, which keeps your relaxed tongue from blocking the flow of air.  In my opinion, this surgery is drastic, forever changing the way that you breathe and swallow.  Though it is an effective treatment, it is irreversible, and it should only be a last resort.
2. A C-PAP Machine: This motorized ("continuous positive airway pressure") unit has a mask that is strapped to your face, and when you start to inhale, it forces air under pressure past your partially blocked airway. This is an effective, conservative, reversible  treatment. But the C-PAP is cumbersome, awkward, noisy, and some patients find it uncomfortable. The noise may keep your partner awake. On the positive side, it is usually covered by medical insurance, and you get the stage 4 sleep that you need.
3. Oral Appliance Therapy (OAT): There have been numerous dental appliances invented over the years that treat snoring, by finding a way to pull the patient's tongue forward from the back of the throat. The most notable ones are the "TRD" (Tongue Retaining Device), and the "AERO" device. They do help with snoring, but they are not approved for the treatment of sleep apnea.
Approved sleep apnea appliances work by pulling the lower jaw forward. (Because your tongue is attached to your lower jaw, it is then pulled away from the back of your throat and unblocks your airway). The FDA has approved only two custom-fitted dental devices as being effective for the treatment of sleep apnea. Both devices can adjust the amount of jaw repositioning. If your lower jaw is pulled too far forward, you will feel jaw pain. If it is not pulled forward far enough, you will still experience sleep apnea symptoms. There are NO over-the-counter devices that claim to treat sleep apnea.