Sleep apnea is a common sleep disorder characterized by repeated pauses or restriction in breathing during sleep. These pauses can occur dozens or even hundreds of times throughout the night, disrupting oxygen supply and preventing the body from reaching the deep, restorative sleep it needs.
Although snoring is often associated with sleep apnea, the condition involves more than disrupted sleep. Many people live with symptoms like waking during the night, waking with headaches, or feeling unrefreshed in the morning without realizing those experiences may point to sleep apnea rather than a normal part of life. When breathing pauses occur, oxygen levels can drop, and the body briefly wakes to restore normal breathing. Over time, this cycle can affect energy levels, sympathetic tone, memory and concentration, mood, and overall health, including increased risks for atrial fibrillation and systemic disease like hypertension and diabetes.
Recognizing the warning signs of sleep apnea is an important first step toward diagnosis and treatment. Many people experience symptoms for years without realizing that their sleep quality and health may be affected by an underlying airway problem.
“Many patients don’t realize that waking during the night, waking with headaches, waking unrefreshed, and feeling tired or sleepy during the day are not just a normal part of life. When they learn these can be signs of a disorder that affects overall health, they want to know more.” — Mary Haigler, DMD, MS, Orofacial Pain Specialist
Common Warning Signs of Sleep Apnea
Sleep apnea can cause a range of symptoms that affect both nighttime breathing and daytime health. Because breathing interruptions occur during sleep, many people are unaware of the problem until a partner notices unusual breathing patterns or persistent symptoms begin affecting daily life. In some cases, patients do not initially seek help for snoring or suspected sleep apnea at all. They may come in because of headaches, jaw pain, fatigue, or other symptoms that seem unrelated until a broader evaluation suggests an underlying airway problem.
Below are some common warning signs of sleep apnea.
Loud or Chronic Snoring
Snoring is one of the most common signs of obstructive sleep apnea. It occurs when airflow is partially blocked, causing the soft tissues in the throat to vibrate during breathing.
Persistent snoring, whether loud or not, especially when it’s interrupted by pauses in breathing or gasping sounds, can be a warning sign that the airway is becoming blocked during sleep. In many cases, a bed partner is the first to notice these irregular breathing patterns.
Waking Up Gasping or Choking
People with sleep apnea may wake up suddenly feeling like they are choking, gasping for air, struggling to breathe, or their heart is racing. These episodes occur when the airway becomes blocked during sleep, and the brain briefly wakes the body to restart breathing.
These awakenings may be so brief that the person does not remember them in the morning, but they can occur repeatedly throughout the night and significantly disrupt normal sleep cycles.
Excessive Daytime Fatigue or Sleepiness
Persistent daytime tiredness is a common symptom of sleep apnea. Because breathing interruptions prevent the body from reaching deeper stages of restorative sleep, many people wake up feeling unrefreshed even after spending a full night in bed.
This fatigue can affect concentration, productivity, and overall energy levels during the day. Some people may even fall asleep unintentionally while reading, watching television, sitting quietly, or even while driving.
Morning Headaches
Frequent morning headaches can be another warning sign of sleep apnea. When breathing repeatedly stops or becomes restricted during sleep, blood oxygen levels may drop, and carbon dioxide levels can rise. These changes can cause blood vessels in the brain to respond with changes to sympathetic tone an lead to headaches upon waking.
Morning headaches related to sleep apnea often improve as breathing patterns normalize with proper treatment.
Dry Mouth or Sore Throat in the Morning
Waking up with a dry mouth or sore throat may indicate mouth breathing during sleep. When the airway is partially blocked, some individuals unconsciously breathe through their mouths to maintain airflow.
Over time, this can lead to dryness, throat irritation, and discomfort upon waking up.
Difficulty Concentrating or Memory Problems
Sleep apnea can affect cognitive function due to repeated sleep interruptions throughout the night. Poor sleep quality may lead to difficulty concentrating, memory lapses, or slower mental processing during the day.
Many people with untreated sleep apnea describe experiencing “brain fog,” irritability, or reduced mental clarity as a result of disrupted sleep.
Why Early Detection of Sleep Apnea Matters
Sleep apnea often develops gradually, and many people live with symptoms for years before realizing that their sleep quality and health may be affected. Because breathing interruptions occur during sleep, individuals may not be aware that their airway repeatedly becomes blocked during the night.
Identifying the warning signs early is important because untreated sleep apnea can place an ongoing strain on the body. Repeated drops in oxygen levels and disrupted sleep cycles can affect cardiovascular health, cognitive function, and daytime energy levels. These are more than just symptoms of not getting restful sleep. The disruption in oxygenation and the bodies attempt to correct it actually lead to increased systemic inflammation. This chronic systemic inflammation has been linked to increased risks of hypertension, diabetes, dementia, cardiovascular disease, atrial fibrillation, etc. If sleep apnea is addressed, and managed, the inflammation and systemic effects can be better managed, and if addressed early may even be corrected.
Early evaluation can help determine whether sleep apnea is present and allow treatment to begin before more serious complications develop. Addressing the condition early may improve sleep quality, reduce daytime fatigue, and support better long-term health.
Who is most at Risk for Sleep Apnea?
Sleep apnea can affect people of all ages, but certain anatomical features, health conditions, and lifestyle factors can increase the likelihood of developing the disorder. In obstructive sleep apnea, the airway becomes partially or completely blocked during sleep, often due to a combination of structural and physiological factors.
Common risk factors for sleep apnea include:
Airway and Jaw Structure
The structure of the jaw, tongue, and airway plays a significant role in obstructive sleep apnea. In many patients, especially those who are thin to average weight, the issue may be less about body weight and more about the way the jaws and airway developed. A smaller lower jaw, underdeveloped upper jaw, narrow palate, or limited space for the tongue can all increase the risk of airway obstruction during sleep.
Some patients may also compensate during the day with open-mouth breathing or forward head posture, which can be subtle signs of an airway that is already under strain.
Excess Weight
Excess weight can increase soft tissue around the airway, narrowing the space available for airflow. This can increase the risk of airway collapse during sleep, especially when throat muscles relax.
Age
Sleep apnea becomes more common with age as airway muscle tone naturally decreases. However, the condition can also affect younger adults and even children.
Family History
Genetics may influence airway shape, facial structure, and other traits that increase the risk of obstructive sleep apnea. Individuals with a family history of sleep apnea may be more likely to develop the condition themselves.
Nasal Congestion or Airway Obstruction
Chronic nasal congestion or structural issues that restrict airflow through the nose can increase the risk of sleep-disordered breathing. This can begin in childhood and affect growth and development. The congestion can lead to mouth breathing. This open mouth breathing, can further deter normal development of the upper and lower jaws which can in turn worsen the risks for obstructive sleep apnea.
Alcohol or Sedative Use
Alcohol and sedatives relax the muscles in the throat, which can worsen airway collapse during sleep and increase the severity of sleep apnea symptoms.
Children and Adolescents Can Be Affected Too
Sleep apnea does not only affect adults. In children and adolescents, the signs may look different and are sometimes overlooked. Snoring, restless sleep, attention difficulties, learning challenges, or delays in growth and development can all be possible signs that a child or teen should be evaluated more closely.
In some cases, poor sleep and reduced oxygenation at night may contribute to symptoms that are mistaken for other concerns, including behavioral or academic difficulties. Early evaluation can be especially important in younger patients because proper sleep supports growth, development, learning, and overall health.
What Happens If Sleep Apnea Is Left Untreated?
Sleep apnea is more than a sleep disturbance. When breathing repeatedly stops during sleep, the body experiences drops in oxygen levels and frequent interruptions to the normal sleep cycle. Over time, these disruptions can place strain on multiple systems in the body.
Without treatment, sleep apnea may contribute to a range of health concerns, including:
Cardiovascular Problems
Repeated drops in oxygen can increase stress on the heart and blood vessels. Untreated sleep apnea has been associated with conditions such as high blood pressure, heart disease, and stroke.
Chronic Fatigue and Daytime Sleepiness
Because sleep apnea disrupts the deeper stages of restorative sleep, many people experience persistent daytime fatigue and sleepiness. This can affect concentration and memory, productivity, driving safety, and overall quality of life.
Cognitive and Memory Difficulties
Interrupted sleep can affect brain function, making it harder to focus, process information, or retain memories. Some individuals notice increased brain fog or difficulty concentrating during the day.
Mood Changes
Poor sleep quality may also contribute to irritability, anxiety, and mood changes. Over time, ongoing sleep disruption can affect emotional well-being and daily functioning. This is not just because of fatigue, but also our neurotransmitters are not sufficiently able to be balanced when we don’t go through the proper sleep cycles.
These effects can significantly affect daily life and overall well-being for individuals living with sleep apnea.
Worsening Headaches and Orofacial Pain
Sleep apnea may also worsen certain types of headaches and jaw discomfort. Reduced oxygen levels and disrupted sleep can contribute to pain that affects the head, neck, and jaw. Our neurotransmitters are not sufficiently able to be balanced when we don’t go through the proper sleep cycles. These neurotransmitters are what help keep pain levels controlled in healthy individuals, but, with the balance disrupted in fragmented sleep, the imbalanced neurotransmitters can allow more pain signaling in OSA patients.
There is also some evidence that in some patients they clench and grind more when sleep is disrupted. This can lead to more TMJD (Temporomandibular Joint Disorder) pain in some patients.
“Pain Patients don’t realize that sleep, mood, and pain are all interrelated, like a three-legged stool. If one of those areas is off balance, it affects the other two, which is why it can be so difficult to improve one part of a person’s health when the others are not yet managed.” — Mary Haigler, DMD, MS, Orofacial Pain Specialist
Schedule a Sleep Apnea Evaluation
If you recognize several of the warning signs discussed above, it may be time to speak with a specialist. Sleep apnea often goes undiagnosed, but early evaluation can help identify the cause of breathing disruptions and determine whether treatment may improve your sleep and overall health.
At Carolinas Center for Oral & Facial Surgery, our team of orofacial pain specialists and oral and maxillofacial surgeons provides comprehensive evaluations for obstructive sleep apnea risks and related airway conditions and can help you determine if a sleep study to evaluate for Obstructive Sleep Apnea would be advised.
Schedule an appointment at one of our North or South Carolina locations to learn more about your symptoms and potential next steps toward better sleep.