Breathing usually happens without much thought, especially during sleep. Yet for some, the simple act of breathing turns difficult once the night begins. Sleep-related problems can disturb normal breathing, robbing people of proper rest and, in some cases, putting their health at risk.
One of these disorders is central sleep apnea (CSA). Unlike obstructive sleep apnea (OSA), which comes from a blocked airway, CSA happens because the brain doesn’t send the right signals to the muscles that handle breathing. The process of breathing can pause and resume several times during the night in many cases without a person noticing.
CSA isn’t as common as other types of sleep apnea, but it’s important to know about it. It can be connected to other health problems and might raise the risk of serious complications if it isn’t treated.
This article takes a detailed look at central sleep apnea, describing what the condition entails, the different types that exist, and the medical factors that can contribute to its development. You will also find information about symptoms to look for, how doctors diagnose it, and treatments that may help. We will also discuss its impact on sleep and everyday life, issues it may bring, and its difference from OSA.
If you’re experiencing these symptoms, helping someone who is, or simply want to learn more about CSA, this guide offers the key information you need to better understand the condition.
What Is Central Sleep Apnea?
CSA means a person stops breathing for short periods while sleeping. Instead of a blocked airway, as seen in OSA, this condition happens because the brain, for a time, doesn’t tell the breathing muscles to work. This can cause the body to pause breathing for several seconds at a time. As a result, the body may simply pause breathing for short periods.
Occasional short pauses in breathing are normal, particularly during transitions between sleep and wakefulness or after a deep sigh. However, in CSA, these pauses occur more often and last longer than usual, which can disrupt sleep and lower oxygen levels in the body.
Although less common than OSA, CSA can be just as serious. It is sometimes tied to other health concerns, including problems with the heart, certain brain conditions, or the use of drugs like opioids. Many people don’t realize they have central sleep apnea, since it usually doesn’t cause the loud snoring or choking sounds linked with obstructive sleep apnea. Instead, they might struggle with restless nights, daytime tiredness, or other health problems that develop gradually.
Understanding this condition matters. Getting the right care can help people sleep better and also deal with any health problems tied to it.
Types of Central Sleep Apnea
CSA isn’t a single disorder, but rather includes several forms, each with its own causes and patterns. Doctors divide CSA into different types to help figure out why someone is having symptoms and to decide on the right treatment.
- Primary (Idiopathic) CSA: Primary CSA happens when someone has pauses in breathing during sleep, but there’s no clear reason behind it. Doctors call it idiopathic because it shows up on its own, without links to other health problems or medications. It’s rare in adults but still important to spot, since other types of CSA usually have specific causes. When doctors refer to primary CSA, they mean cases where CSA appears without an obvious cause.
- Cheyne-Stokes Breathing CSA: Cheyne-Stokes breathing is a special pattern that can happen in some people with CSA, especially those who have heart conditions or certain brain issues like a past stroke. Their breathing gradually speeds up and becomes deeper, then slows down and might even stop for a short time before starting the cycle again. People with this type of CSA often wake up during the night and may have lower oxygen levels while they sleep. When doctors mention Cheyne-Stokes CSA, they’re talking about this unique breathing pattern that’s linked to other serious health conditions.
- High-Altitude Periodic Breathing: High-altitude periodic breathing is a kind of CSA that can happen when someone is staying at high elevations. With less oxygen in the air, breathing speeds up and gets deeper for a while, then slows down or pauses. Although this type often improves once a person returns to lower altitudes, it can disturb sleep and leave them feeling tired while they’re still at elevation. Doctors use the term high-altitude periodic breathing for this specific kind of CSA caused by being at high elevations.
- CSA Due to Medical Conditions: Sometimes CSA happens because certain health conditions interfere with how the brain controls breathing. This can happen after an injury, from a tumor, or due to illnesses that put stress on the body, such as kidney disease. Trouble with the brainstem can also cause these breathing pauses during sleep. People dealing with CSA from medical issues might have other nerve-related symptoms, depending on what’s causing the problem. When doctors mention CSA linked to medical conditions, they’re talking about cases where another health issue interferes with the brain’s signals that help keep breathing steady during sleep.
- CSA Due to Medications or Substances: Certain medications and substances, especially opioids and sedatives, can lower the brain’s drive to breathe during sleep. In this type of CSA, the brain doesn’t react properly to rising carbon dioxide levels, which leads to pauses in breathing. Doctors must spot this cause because changing or stopping the medication can sometimes fix the problem. When medical professionals discuss CSA due to medications or substances, they mean situations where drugs interfere with normal breathing signals.
- Treatment-Emergent CSA: Treatment-emergent CSA shows up in some people who start therapy for obstructive sleep apnea, often with CPAP machines. Instead of improving breathing, new central apneas appear during treatment. Sometimes this type fades away on its own, but in other cases, doctors might have to adjust how the therapy is given. When healthcare providers talk about treatment-emergent CSA, they mean this unexpected development of central apneas while trying to treat another sleep disorder.
Understanding which type of CSA a person has is crucial because it helps doctors determine the cause and choose the best treatment plan.
Causes and Risk Factors of Central Sleep Apnea
CSA happens when the brain stops sending steady signals to the muscles that handle breathing during sleep. This doesn’t affect everyone the same way. Figuring out the causes and risk factors helps doctors decide how to treat it.
Usually, CSA happens for two reasons. Sometimes it’s linked to health problems that affect how the brain controls breathing. Other times, certain factors simply raise the chance that someone will develop it.
Medical Causes
Several health problems can interfere with the brain’s ability to regulate breathing. These issues might directly damage the parts of the brain responsible for controlling breathing or indirectly affect how the body senses and reacts to changing oxygen and carbon dioxide levels. Here are some of the most common medical causes tied to CSA:
- Heart Failure: Heart failure is one reason people can develop CSA. When the heart isn’t pumping strongly enough, it affects how blood and fluids move around the body. That shift can mess with the brain’s signals that keep breathing steady. People with heart failure often breathe in a pattern that speeds up, then slows down, over and over; Doctors call this Cheyne-Stokes breathing.
- Stroke: A stroke can affect areas of the brain that control automatic actions, such as breathing. If these parts are injured, the signals sent to the breathing muscles might not work properly, which can lead to CSA.
- Brain Tumor: A brain tumor can press on parts of the brain that help manage breathing. If someone with a brain tumor develops CSA, doctors look into whether the tumor might be interfering with the signals that keep breathing regular during sleep.
- Brain Infections: Serious infections like encephalitis or meningitis can cause swelling or damage in brain areas, including the brainstem. This damage may interfere with the signals needed for stable breathing during sleep.
- Parkinson’s Disease: People with Parkinson’s sometimes face changes in how their bodies work without them even thinking about it, like breathing. For some, this means dealing with CSA as one of the sleep troubles that come along with the disease.
- Structural Brain Abnormalities: Certain conditions present from birth, such as Chiari malformation, can change the shape or position of brain structures. These abnormalities might press on the brainstem and interfere with normal breathing control.
- Hypothyroidism: Low levels of thyroid hormone slow down body functions, including how the nervous system runs and breathing. Sometimes hypothyroidism is connected to CSA.
- Atrial Fibrillation: Atrial fibrillation, an irregular heartbeat, can cause swings in blood flow and oxygen levels that may disturb how the brain’s breathing centers work. It’s recognized as a risk factor for CSA.
- Excessive Growth Hormone Production (Acromegaly): People with acromegaly produce too much growth hormone. It may change the tissues and airways and the way the brain regulates breathing, which may result in CSA.
- Spinal Cord Injury: In case the spinal cord is injured, particularly in the neck, it is able to prevent the path of communication between the brain and the muscles that help in breathing. As a result, people with spinal injuries might develop CSA because these signals don’t travel properly.
- Metabolic Disorders: Some metabolic disorders disturb how the body manages oxygen and carbon dioxide levels. When the brain can’t respond properly to these changes, CSA may develop.
- Chronic Kidney Disease: Chronic kidney disease can cause fluid imbalances and chemical changes in the blood, which can influence how the brain regulates breathing. People with advanced kidney disease are at a higher risk of developing CSA.
Other Risk Factors
Beyond medical conditions, other factors can raise the likelihood of developing CSA. These risk factors can either disrupt how the brain controls breathing or make someone more vulnerable to breathing problems during sleep. Here are some important non-medical factors:
- Opioid Use: Using opioids for pain relief can slow down how the brain controls breathing, particularly during sleep. When people use these medications, their brains might not react well if levels of carbon dioxide rise, which can cause their breathing to stop for short periods.
- High Altitude: When people spend time in high places where the air is thin, there’s less oxygen to breathe. This can change how they breathe while they sleep. Some folks get a kind of CSA called high-altitude periodic breathing. It usually gets better once they’re back at lower ground, but until then, sleep might not feel restful, and they could feel more tired than usual.
- Older Age and Male Sex: CSA tends to happen more often as people get older, which might be due to changes in how the brain and body manage breathing signals. It’s also found more frequently in men, though experts still don’t completely know why this difference exists.
- Certain Medications: Besides opioids, other drugs like benzodiazepines, muscle relaxants, antidepressants, and some seizure medications can depress the nervous system. These medications might interfere with how the brain manages breathing during sleep, making CSA more likely.
Symptoms of Central Sleep Apnea
Not everyone with CSA realizes there’s a problem. Many people have no clear symptoms and only find out about the condition during a checkup for another health concern or after a sleep study done for different reasons. When symptoms happen, they can come from poor sleep, low oxygen, or health problems that cause CSA.
Here are the symptoms that doctors look for when diagnosing CSA:
- Excessive Daytime Sleepiness: Many people with CSA feel very tired during the day, even if they spend enough time in bed. People often feel tired even after spending a full night in bed because repeated pauses in breathing prevent restful sleep.
- Pauses in Breathing: Pauses in breathing are a common sign seen in CSA. Unlike obstructive sleep apnea, these pauses happen because the brain temporarily stops sending signals to the muscles that keep you breathing. Many times, a bed partner is the one who spots these silent pauses in breathing.
- Poor Sleep Quality: People with CSA often sleep poorly. They might wake up a lot or sleep too lightly, so they feel worn out in the morning.
- Insomnia: Some people with CSA deal with insomnia. They may have trouble falling asleep, staying asleep, or waking up feeling rested.
- Waking Up Short of Breath: Waking up short of breath can mean breathing has been disrupted during sleep. People with CSA might suddenly wake up gasping for air, even if they do not remember having stopped breathing.
- Morning Headaches: Morning headaches can happen because oxygen and carbon dioxide levels shift during the night. In CSA, these changes sometimes make blood vessels in the brain widen, causing pain when a person wakes up.
- Nighttime Chest Discomfort: People with CSA sometimes feel chest discomfort at night, though it usually is not caused by a heart attack. It can feel like tightness or pressure from the stress of uneven breathing.
- Trouble Concentrating: Many people with CSA have trouble focusing. Poor sleep makes it harder for the brain to work well, which can affect tasks during the day.
- Memory Problems: Memory problems often develop because fragmented sleep interferes with how the brain processes and stores new information.
- Mood Changes: Mood changes like irritability, anxiety, or depression can appear in people with CSA. Chronic poor sleep affects brain chemistry and emotional balance.
- Fatigue: Fatigue goes beyond normal sleepiness and can leave someone feeling physically drained, even after getting what seems like enough sleep.
- Lack of Energy: A lack of energy is another common symptom. People often feel too tired for normal daily activities because their sleep is so fragmented.
- Trouble Breathing During the Day: Trouble breathing during the day can occur if CSA is linked to heart or lung problems. While most symptoms happen during sleep, daytime breathing issues may hint at an underlying cause.
- Difficulty Swallowing: Difficulty swallowing sometimes shows up in people with CSA, caused by neurological disorders, because the same nerves that control breathing also help coordinate swallowing.
- Changes to Voice: Voice changes can occur if CSA is connected to neurological conditions that affect muscle control in the throat and vocal cords.
- Numbness or Weakness: Numbness or weakness might be present in people whose CSA is caused by brain injuries, tumors, or neurological diseases affecting the brainstem.
- Low Sex Drive: Low sex drive can be part of the overall fatigue and hormonal changes linked to disrupted sleep and certain medical conditions associated with CSA.
- Impotence: Impotence may also be associated with CSA, potentially resulting from hormonal changes, poor sleep quality, or other underlying health conditions that contribute to the disorder.
How Central Sleep Apnea Affects Sleep Quality
CSA causes more than just breathing issues. It also has a big impact on how well people sleep and how their sleep cycles work. These changes can leave someone feeling exhausted, even if they spend plenty of time in bed. CSA affects sleep in two main ways. It messes with sleep stages and makes the heart and blood vessels work harder at night.
Disruption of Sleep Stages
People with CSA might wake up over and over during the night, even if they don’t remember it. These interruptions prevent the brain from moving smoothly through the normal stages of sleep, which include light sleep, deep sleep, and REM sleep.
Reduced deep sleep is a common issue in CSA. Deep sleep, also called slow-wave sleep, is the stage when the body repairs tissues, builds bone and muscle, and strengthens the immune system. When CSA keeps pulling someone out of deep sleep, they may wake up feeling unrefreshed and physically worn down.
Lower REM sleep is another consequence of CSA. REM sleep is when most dreaming happens, and it’s critical for processing emotions, storing memories, and maintaining mental health. People with CSA sometimes get less REM sleep. This might cause problems with mood, memory, or focusing during the day.
Impact on Heart and Circulation
CSA affects more than breathing. It also puts extra pressure on the heart and blood vessels. During sleep, each pause in breathing leads to changes in oxygen levels and nervous system activity, which can have serious effects on the heart and blood vessels.
Blood pressure often spikes in response to apnea events. Each time breathing pauses, the body briefly wakes up, which triggers a burst of adrenaline and other stress hormones. Over time, these repeated bursts can keep blood pressure up and increase the risk of heart problems.
The heart comes under more strain when oxygen levels drop again and again at night. It has to work harder in those moments. For people who already have heart disease, this extra stress can make existing problems worse, contribute to abnormal heart rhythms, and raise the risk of serious complications.
How Central Sleep Apnea is Diagnosed
CSA often goes unnoticed because many people do not realize they stop breathing while they sleep. Instead, they may just feel tired or mentally foggy during the day.
That is why getting the right diagnosis is so important. It is the only way to find out what is happening at night and to rule out other sleep disorders like obstructive sleep apnea. Doctors follow several steps and use different tests to figure out if someone has CSA and what might be causing it.
- Medical History: Checking for CSA starts with questions about a person’s health history. Doctors want to know if the person feels tired during the day, sleeps poorly at night, or has breathing trouble when sleeping. Also, they would like to learn about other diseases, such as heart failure, history of stroke, or neurological problems that could be caused by CSA. Sometimes, details from a partner about pauses in breathing, restless nights, or odd breathing patterns help give important clues.
- Physical Exam: A physical exam can help doctors find other health issues linked to CSA. While there are no physical signs unique only to CSA, doctors look for evidence of heart disease, neurological conditions, or other disorders that might affect breathing.
- Sleep Study (Polysomnography): The most effective test that doctors employ to determine whether an individual has CSA is a sleep study, also known as polysomnography. When one is sleeping, sensors monitor the brain activity, breathing, air flow, oxygen concentration, the heart rate, and the way the muscles move. This test helps doctors know if someone has CSA or obstructive sleep apnea because it shows whether the body is still making an effort to breathe during the pauses.
- Echocardiogram: An echocardiogram is an ultrasound of the heart that helps doctors check for heart problems such as heart failure, which can be related to CSA. This test assists doctors in observing the effectiveness of the heart in pumping blood and any structural problems.
- Brain Imaging: Doctors may also order brain imaging tests when they suspect that CSA is due to some sort of brain problem, such as a tumor, stroke, or any other problems with the nervous system. An MRI or CT scan can help spot any changes or damage that might affect how the brain controls breathing.
- At-Home Sleep Testing: Sometimes, doctors use sleep tests that people can do at home when they suspect sleep apnea. While this type of test is more convenient, it is not as reliable for finding CSA. That is because it does not record all the signals needed to tell if breathing pauses happen from a blocked airway or from the brain not sending signals to breathe. Doctors often still suggest having a sleep study in a lab to get a clearer diagnosis of CSA.
Treatment Options for Central Sleep Apnea
Treating CSA isn’t always as straightforward as just putting on a mask at night. Because CSA can have so many different causes, treatment often depends on what’s triggering the breathing pauses in the first place.
Doctors usually begin by managing any underlying health issues, then look at therapies or devices to help keep breathing steady during sleep. Lifestyle changes can also make a real difference for some people.
Managing Underlying Conditions
Sometimes CSA gets better or even goes away when the root problem is treated. These are the two main areas doctors focus on:
- Heart Failure Treatment: Heart failure is a leading cause of CSA, especially the kind called Cheyne-Stokes breathing. Improving heart function through medicines, lifestyle changes, or certain procedures can reduce how severe CSA is for many people. When doctors talk about heart failure treatment as part of managing CSA, they are focused on helping the heart pump blood more effectively, which can help steady breathing patterns during sleep.
- Lowering or Stopping Opioids: Some people develop CSA because of opioid medicines used for pain relief. Opioid drugs can weaken the brain’s signals that keep breathing steady. Doctors sometimes lower the dose or use other ways to treat pain to help with breathing problems. When doctors talk about lowering or stopping opioids, they want to remove one of the main causes of CSA for people taking these drugs.
Breathing Therapies and Medications
When it is not enough to treat health issues, or CSA is severe, the doctors might use other techniques or devices to ensure a consistent breathing rate during sleep.
- CPAP: CPAP, or continuous positive airway pressure, delivers a constant stream of air through a mask to keep the airway open. While CPAP works very well for obstructive sleep apnea, it sometimes does not completely solve CSA because the issue is not a blocked airway but rather a lack of effort to breathe. Still, doctors might try CPAP first, especially if someone has both obstructive and central sleep apnea.
- Adaptive Servo-Ventilation (ASV): Adaptive servo ventilation is a specialized treatment made for certain types of CSA. ASV devices watch a person’s breathing and adjust the airflow automatically to keep breathing steady. This therapy is often used for people with Cheyne-Stokes breathing or for those who develop CSA during treatment for obstructive sleep apnea. When doctors talk about ASV, they mean a specific method that adjusts breathing support for each breath.
- BiPAP: BiPAP stands for bilevel positive airway pressure. It gives two levels of air pressure, using higher pressure when a person breathes in and lower pressure when they breathe out. BiPAP can help people who need extra support to keep breathing steadily during sleep, especially those with other health issues that affect the breathing muscles or lungs.
- Supplemental Oxygen: Some people with CSA may do better by using extra oxygen at night. Breathing oxygen helps keep blood oxygen levels stable and can reduce breathing problems, especially in types of CSA tied to low oxygen levels.
- Phrenic Nerve Stimulation: Phrenic nerve stimulation is a newer treatment option for CSA. It involves placing a small device in the chest that sends gentle electrical signals to the phrenic nerve. These signals help the diaphragm work properly and keep breathing steady while a person sleeps. Doctors might choose this option if other treatments are not working well or cannot be used.
- Respiratory Stimulants: In some cases, doctors give medicines known as respiratory stimulants to help the brain keep sending signals that tell the body to breathe. These drugs can encourage a more regular breathing pattern, but they can have side effects. For this reason, doctors usually reserve them for situations where other treatments have not been successful.
Lifestyle and Self-Care Strategies
While medical treatments are very important, lifestyle changes also play a key role in managing CSA. With these changes, it is possible to lessen the symptoms and enhance the quality of sleep.
- Avoiding Sedatives and Alcohol: Things like sedatives, alcohol, and some drugs can slow the brain’s ability to signal to the body how to breathe. Avoiding or reducing the use of these items can help breathing become more stable during sleep.
- Weight Loss: For people who weigh more, losing some weight might help ease breathing troubles at night. Weight loss makes a bigger difference for obstructive sleep apnea, but it might help some people with CSA, too.
- Altitude Avoidance: Sleeping at high altitudes can bring on CSA for some people. If someone has trouble breathing because of high altitudes, returning to lower levels often helps solve the problem.
- Sleep Hygiene: Good sleep hygiene helps anyone get better rest. Sticking to a regular sleep schedule, making the bedroom comfortable, and keeping stress under control can all help improve sleep quality. This is especially important for people with CSA.
Complications and Long-Term Outlook
CSA is more than just having trouble sleeping. Without treatment, it can lead to lasting health problems. Since it often occurs along with other serious health issues, treating CSA is important to help avoid long-term problems and protect overall health.
Here’s what doctors look at when thinking about how CSA can affect someone over time:
- Heart Disease Progression: Heart disease getting worse is a big concern for people with CSA. Frequent pauses in breathing put stress on the heart. This can change blood pressure, cause irregular heart rhythms, and make heart failure worse. When doctors talk about heart disease getting worse in CSA, they mean that drops in oxygen and frequent sleep disruptions put strain on the heart and blood vessels.
- Stroke Risk: People with CSA may face a higher risk of stroke. The condition causes changes in oxygen and carbon dioxide levels that can affect blood flow in the brain and raise the chance of blood clots or other problems in the brain’s blood vessels. Finding and treating CSA may help lower this risk.
- Cognitive Decline: CSA can also affect memory and thinking skills. Poor sleep and low oxygen levels disturb how the brain works. This can cause trouble with memory, focus, and making decisions. Over time, if CSA is not treated, it may lead to lasting problems with brain function.
- Daytime Functioning: CSA can affect how well people handle their daily lives. People might feel tired all the time, struggle to stay awake, or notice their thinking feels slower. This can make working, driving, and everyday tasks harder. Some people even fall asleep during quiet moments, which raises the chance of accidents and affects their quality of life.
- Inflammation & Insulin Resistance: Inflammation and insulin resistance may be linked to CSA. Frequent drops in oxygen levels and activation of stress responses during sleep can cause inflammation throughout the body and disrupt how the body handles glucose. Over time, this could raise the risk for conditions like type 2 diabetes.
- Prognosis: The outlook for CSA depends on its cause and how well treatment works. If CSA is tied to other health problems like heart failure or issues with the nervous system, managing those conditions can help improve results. Many people see significant improvements in symptoms and lower health risks once they have the right treatment plan. Still, regular checkups and changes in therapy are often needed to keep the condition under control.
Living With Central Sleep Apnea
Finding out that you have CSA can be a combination of feelings. It is a relief because it explains why one is exhausted or sleeps poorly, but it comes with fears of changing and having to start a new treatment. However, most people can manage CSA and live normally. Living with this condition needs quality medical care, remaining as healthy as possible, having support, and doctors who understand how to help.
The following are the ways that people can live with CSA:
- Regular Medical Follow-Up: Frequent visits to the doctor keep people with CSA healthy. Because this condition often goes hand in hand with other health issues like heart disease or problems with the nervous system, ongoing checkups help keep treatments effective and catch any new symptoms early. Doctors might adjust devices, medicines, or treatment plans based on how well a person sleeps and feels during the day.
- Lifestyle Adjustments: Making changes in daily habits can play a big part in managing CSA. Avoiding sedatives and alcohol, keeping a healthy weight, and practicing good sleep habits can help reduce symptoms and improve sleep. For people who have trouble breathing at high altitudes, it may also help to stay at lower elevations. Small everyday choices often make a real difference in how well treatments work.
- Emotional Support: Emotional support matters because CSA can affect mental health. Coping with tiredness, using medical devices, or feeling worried about breathing can cause stress, anxiety, or even depression. Talking with family, joining support groups, or meeting with a mental health professional can help people handle the challenges of living with this condition. Having someone to talk to can ease stress and help keep treatment plans on track.
- Working with a Specialist: Seeing a specialist, such as a sleep doctor, heart doctor, or neurologist, is often needed for managing CSA well. These specialists can assist in identifying the causes, selecting adequate treatments, and monitoring progress throughout. When doctors talk about working with a specialist, they mean putting together a healthcare team that fits a person’s specific needs, which can improve health and quality of life.
Central Sleep Apnea vs. Obstructive Sleep Apnea
Aspect | Central Sleep Apnea (CSA) | Obstructive Sleep Apnea (OSA) |
---|---|---|
Cause | The brain temporarily stops sending signals to the muscles that control breathing | Throat muscles relax too much during sleep, causing the airway to narrow or close |
Airway Status | Airway stays open during apnea events | Airway is blocked or partially collapsed |
Breathing Effort | No effort to breathe; chest and belly don’t move during events | Effort continues; visible chest and belly movement as the body tries to breathe |
Snoring and Sounds | Usually quiet; snoring is rare or very mild | Loud snoring, choking, or gasping sounds are common |
Apnea Type | Signal failure from the brain causes breathing to stop | Physical obstruction blocks airflow despite effort to breathe |
Diagnosis Clues | Apnea events without effort; fewer breathing sounds during sleep | Observed gasping, snoring, or struggling to breathe during sleep |
Symptoms | Daytime fatigue, poor concentration, morning headaches, mood changes, cognitive issues | Daytime sleepiness, irritability, headaches, trouble focusing, mood changes |
Health Risks | Heart failure, stroke, memory problems, cognitive decline, low oxygen levels | Heart disease, stroke, high blood pressure, metabolic issues |
Common in | People with heart or neurological conditions, opioid users, high-altitude residents | People with obesity, nasal/throat blockage, or relaxed airway tone during sleep |
Treatment Options | ASV, supplemental oxygen, phrenic nerve stimulation, treating underlying causes | CPAP, BiPAP, oral appliances, weight loss, positional therapy, surgery |
Overlap Possibility | Can occur with OSA in a condition called complex or overlap sleep apnea | Can occur with CSA in a condition called complex or overlap sleep apnea |
FAQs
What is central sleep apnea?
CSA is a sleeping disorder. It occurs when the brain fails to remind the body to breathe while sleeping. As compared to OSA, the air passage is not obstructed. CSA may cause light sleep and make you feel fatigued on the following day.
Is central sleep apnea dangerous?
Yes, CSA can be serious. It can mess up your sleep and lower your oxygen. That makes you tired and raises the chance of heart trouble, stroke, and other health problems if you don’t treat it. It’s important to talk to a doctor and get help.
What is the best treatment for central sleep apnea?
The proper treatment for CSA depends on why it's doing it. Doctors may treat other medical conditions, alter medications, or employ items such as CPAP, special breathing machines, additional oxygen, or machines that help nerves operate better. Everyone's treatment is unique.
Does central sleep apnea ever go away?
Sometimes CSA gets better or goes away if doctors fix what’s causing it, like heart problems or certain medicines. But some people still need treatment to keep breathing steadily and stay healthy.
Can you live a full life with central sleep apnea?
Yes. Many people live full, active lives with CSA when it is diagnosed and managed well. Treatment helps people sleep better, lowers health risks, and helps them feel more energetic and enjoy daily life.
Conclusion
CSA might not be as well-known as OSA, but it is just as important to understand and treat. Even though it happens less often than OSA, CSA can seriously affect sleep quality and cause health problems, especially when it is linked to other conditions like heart disease or issues with the nervous system.
Managing CSA begins with finding out what is causing it, whether that is a health condition, certain medicines, or other factors. With the right diagnosis and a treatment plan that fits each person’s needs, many people are able to ease their symptoms, sleep better, and protect their health over time.
If you or someone you know has symptoms like ongoing tiredness, pauses in breathing during sleep, or feeling sleepy during the day, it is important to see a doctor. Finding and treating CSA early can help prevent health problems and improve quality of life.
Karen Barnard
Karen is a Human Movement Science expert and a certified sports nutrition and massage therapist. At Sleepiverse, she combines her passion for human movement science and sleep health to educate herself and her readers about healthier sleep. In addition to writing articles, Karen manages a fitness studio offering private training, athletic conditioning, and sports massage therapy. She focuses on providing people with a holistic environment for people to reach their health goals, often incorporating stretch therapy to promote mental tranquillity and help people improve their sleep.