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Sleep apnea (AP-ne-ah) is a common disorder in which you have one or more pauses in breathing or shallow breaths while you sleep.
Breathing pauses can last from a few seconds to minutes. They may occur 30 times or more an hour. Typically, normal breathing then starts again, sometimes with a loud snort or choking sound.
Sleep apnea usually is a chronic (ongoing) condition that disrupts your sleep. When your breathing pauses or becomes shallow, you’ll often move out of deep sleep and into light sleep.
As a result, the quality of your sleep is poor, which makes you tired during the day. Sleep apnea is a leading cause of excessive daytime sleepiness.
OverviewSleep apnea often goes undiagnosed. Doctors usually can't detect the condition during routine office visits. Also, no blood test can help diagnose the condition.
Most people who have sleep apnea don't know they have it because it only occurs during sleep. A family member or bed partner might be the first to notice signs of sleep apnea.
The most common type of sleep apnea is obstructive sleep apnea. In this condition, the airway collapses or becomes blocked during sleep. This causes shallow breathing or breathing pauses.
When you try to breathe, any air that squeezes past the blockage can cause loud snoring. Obstructive sleep apnea is more common in people who are overweight, but it can affect anyone. For example, small children who have enlarged tonsil tissues in their throats may have obstructive sleep apnea.
Central sleep apnea is a less common type of sleep apnea. This disorder occurs if the area of your brain that controls your breathing doesn't send the correct signals to your breathing muscles. As a result, you'll make no effort to breathe for brief periods.
Central sleep apnea can affect anyone. However, it's more common in people who have certain medical conditions or use certain medicines.
Central sleep apnea can occur with obstructive sleep apnea or alone. Snoring typically doesn't happen with central sleep apnea.
OutlookUntreated sleep apnea can:
- Increase the risk of high blood pressure, heart attack, stroke, obesity, and diabetes
- Increase the risk of, or worsen, heart failure
- Make arrhythmias (ah-RITH-me-ahs), or irregular heartbeats, more likely
- Increase the chance of having work-related or driving accidents
Major Signs and SymptomsOne of the most common signs of obstructive sleep apnea is loud and chronic (ongoing) snoring. Pauses may occur in the snoring. Choking or gasping may follow the pauses.
The snoring usually is loudest when you sleep on your back; it might be less noisy when you turn on your side. You might not snore every night. Over time, however, the snoring can happen more often and get louder.
You're asleep when the snoring or gasping happens. You likely won't know that you're having problems breathing or be able to judge how severe the problem is. A family member or bed partner often will notice these problems before you do.
Not everyone who snores has sleep apnea.
Another common sign of sleep apnea is fighting sleepiness during the day, at work, or while driving. You may find yourself rapidly falling asleep during the quiet moments of the day when you're not active. Even if you don't have daytime sleepiness, talk with your doctor if you have problems breathing during sleep.
Other Signs and SymptomsOthers signs and symptoms of sleep apnea include:
- Morning headaches
- Memory or learning problems and not being able to concentrate
- Feeling irritable, depressed, or having mood swings or personality changes
- Waking up frequently to urinate
- Dry mouth or sore throat when you wake up
- In children, sleep apnea can cause hyperactivity, poor school performance, and angry or hostile behavior. Children who have sleep apnea also may breathe through their mouths instead of their noses during the day.
Sleep apnea is treated with lifestyle changes, mouthpieces, breathing devices, and surgery. Medicines typically aren't used to treat the condition.
The goals of treating sleep apnea are to:
- Restore regular breathing during sleep
- Relieve symptoms such as loud snoring and daytime sleepiness
If you have sleep apnea, talk with your doctor or sleep specialist about the treatment options that will work best for you.
Lifestyle changes and/or mouthpieces may relieve mild sleep apnea. People who have moderate or severe sleep apnea may need breathing devices or surgery.
If you continue to have daytime sleepiness despite treatment, your doctor may ask whether you're getting enough sleep. (Adults should get at least 7 to 8 hours of sleep; children and teens need more).
If treatment and enough sleep don't relieve your daytime sleepiness, your doctor will consider other treatment options.
Lifestyle ChangesIf you have mild sleep apnea, some changes in daily activities or habits might be all the treatment you need.
Avoid alcohol and medicines that make you sleepy. They make it harder for your throat to stay open while you sleep.
Lose weight if you're overweight or obese. Even a little weight loss can improve your symptoms.
Sleep on your side instead of your back to help keep your throat open. You can sleep with special pillows or shirts that prevent you from sleeping on your back.
Keep your nasal passages open at night with nasal sprays or allergy medicines, if needed. Talk with your doctor about whether these treatments might help you.
If you smoke, quit. Talk with your doctor about programs and products that can help you quit smoking.
MouthpiecesA mouthpiece, sometimes called an oral appliance, may help some people who have mild sleep apnea. Your doctor also may recommend a mouthpiece if you snore loudly but don't have sleep apnea.
A dentist or orthodontist can make a custom-fit plastic mouthpiece for treating sleep apnea. (An orthodontist specializes in correcting teeth or jaw problems.) The mouthpiece will adjust your lower jaw and your tongue to help keep your airways open while you sleep.
If you use a mouthpiece, tell your doctor if you have discomfort or pain while using the device. You may need periodic office visits so your doctor can adjust your mouthpiece to fit better.
Breathing DevicesCPAP (continuous positive airway pressure) is the most common treatment for moderate to severe sleep apnea in adults. A CPAP machine uses a mask that fits over your mouth and nose, or just over your nose.
The machine gently blows air into your throat. The pressure from the air helps keep your airway open while you sleep.
Treating sleep apnea may help you stop snoring. But not snoring doesn't mean that you no longer have sleep apnea or can stop using CPAP. Your sleep apnea will return if you stop using your CPAP machine or don’t use it correctly.
Usually, a technician will come to your home to bring the CPAP equipment. The technician will set up the CPAP machine and adjust it based on your doctor's prescription. After the initial setup, you may need to have the CPAP adjusted from time to time for the best results.
CPAP treatment may cause side effects in some people. These side effects include a dry or stuffy nose, irritated skin on your face, dry mouth, and headaches. If your CPAP isn't adjusted properly, you may get stomach bloating and discomfort while wearing the mask.
If you're having trouble with CPAP side effects, work with your sleep specialist, his or her nursing staff, and the CPAP technician. Together, you can take steps to reduce the side effects.
For example, the CPAP settings or size/fit of the mask might need to be adjusted. Adding moisture to the air as it flows through the mask or using nasal spray can help relieve a dry, stuffy, or runny nose.
There are many types of CPAP machines and masks. Tell your doctor if you're not happy with the type you're using. He or she may suggest switching to a different type that might work better for you.
People who have severe sleep apnea symptoms generally feel much better once they begin treatment with CPAP.
SurgerySome people who have sleep apnea might benefit from surgery. The type of surgery and how well it works depend on the cause of the sleep apnea.
Surgery is done to widen breathing passages. It usually involves shrinking, stiffening, or removing excess tissue in the mouth and throat or resetting the lower jaw.
Surgery to shrink or stiffen excess tissue is done in a doctor's office or a hospital. Shrinking tissue may involve small shots or other treatments to the tissue. You may need a series of treatments to shrink the excess tissue. To stiffen excess tissue, the doctor makes a small cut in the tissue and inserts a piece of stiff plastic.
Surgery to remove excess tissue is done in a hospital. You're given medicine to help you sleep during the surgery. After surgery, you may have throat pain that lasts for 1 to 2 weeks.
Surgery to remove the tonsils, if they're blocking the airway, might be helpful for some children. Your child's doctor may suggest waiting some time to see whether these tissues shrink on their own. This is common as small children grow.