By Dr Pathma A/P Letchumanan, Consultant Otorhinolaryngologist (ENT), Hospital Seri Botani
Key Takeaways
- Sleep apnea is more than snoring. Repeated pauses in breathing can disrupt sleep and affect daytime alertness and health.
- You can have sleep apnea without obvious snoring. Waking up gasping, morning headaches, excessive daytime sleepiness and unrefreshing sleep can also be warning signs.
- People of any body size can develop sleep apnea. Weight is only one of many possible risk factors.
- A sleep study is usually needed to confirm sleep apnea. Symptoms alone cannot establish a diagnosis.
- Treatment depends on the type and severity of sleep apnea. Options may include lifestyle changes, positional therapy, CPAP, oral appliances and surgery for selected patients.
Sleep apnea can be hard to recognise because it occurs during sleep. A partner may notice loud snoring, breathing pauses, gasping or choking, while you may experience frequent waking, daytime sleepiness or poor concentration.
Snoring does not always mean sleep apnea, and some people have sleep apnea without snoring.
Obstructive sleep apnea occurs when the airway becomes blocked, while central sleep apnea occurs when the brain temporarily stops sending signals for breathing.
These interruptions can briefly wake you and leave you tired despite enough sleep. Frequent waking with gasping, choking or severe daytime fatigue should be medically assessed.
Is It Sleep Apnea or Something Else?
Several conditions can cause snoring, poor sleep, nasal congestion or daytime tiredness. This can make it difficult to know whether your symptoms are caused by sleep apnea.
Sleep Apnea vs Snoring
Snoring is a sound. Sleep apnea is a breathing disorder.
You can snore without having sleep apnea. However, snoring accompanied by breathing pauses, gasping or excessive daytime sleepiness can be more concerning.
Sleep Apnea vs Allergies
Allergies can cause sneezing, runny nose, itchy eyes, nasal congestion and difficulty breathing through the nose.
These symptoms can interfere with sleep and may worsen snoring. However, allergies alone do not necessarily mean that you have sleep apnea.
Sleep Apnea vs Nasal Blockage
A blocked nose can make nighttime breathing more difficult and contribute to snoring.
Nasal obstruction may be related to allergies, a deviated nasal septum, enlarged tissues or other conditions.
However, nasal blockage and sleep apnea are not the same condition. A specialist may need to assess whether nasal obstruction is contributing to your symptoms or whether another problem is present.
What Are the Signs of Sleep Apnea?
| Sign | What it may indicate |
| Loud persistent snoring | Possible upper airway obstruction |
| Breathing pauses | Possible sleep apnea |
| Gasping or choking | Breathing interruption |
| Excessive daytime sleepiness | Poor-quality or fragmented sleep |
| Morning headaches | Possible sleep-related breathing problem |
| Dry mouth | Possible mouth breathing during sleep |
| Difficulty concentrating | Sleep disruption |
| Memory problems | Poor-quality sleep |
| Mood changes | Chronic sleep disruption |
| Unrefreshing sleep | Sleep may not be restorative |
Having one symptom does not necessarily mean you have sleep apnea. A proper assessment is needed for diagnosis.
What Causes Sleep Apnea?
Obstructive Sleep Apnea
Obstructive sleep apnea occurs when the upper airway becomes narrowed or blocked during sleep.
Factors that can increase the risk include:
- Excess body weight
- Airway anatomy
- Enlarged tonsils or other tissues
- Nasal obstruction
- Increasing age
- Family history
- Alcohol consumption
- Certain medications
- Hormonal changes, including menopause
Central Sleep Apnea
Central sleep apnea occurs when the brain does not consistently send the signals needed to control breathing.
It can be associated with certain medical conditions, medications or other factors.
Because central and obstructive sleep apnea have different mechanisms, identifying the type of sleep apnea is important when planning treatment.
Why Shouldn’t Sleep Apnea Be Ignored?
It can be tempting to dismiss snoring or daytime tiredness as harmless. However, untreated sleep apnea can affect much more than your sleep.
Repeated breathing interruptions can cause fragmented sleep and may lead to excessive daytime sleepiness, difficulty concentrating and mood changes.
Over time, untreated sleep apnea has also been associated with health problems such as:
- High blood pressure
- Cardiovascular problems
- Abnormal heart rhythms
- Stroke
- Metabolic health problems
The impact can also extend into everyday life.
Poor-quality sleep can affect:
- Concentration
- Memory
- Productivity
- Mood
- Relationships
- Exercise
- Driving safety
Severe daytime sleepiness may cause unintended episodes of falling asleep, which can be particularly dangerous while driving or operating machinery.
When Should You See an ENT Specialist?
Consider seeing an ENT specialist if you regularly experience symptoms that may indicate sleep apnea or an upper-airway problem.
These include:
- Loud, persistent snoring
- Witnessed breathing pauses
- Waking up gasping or choking
- Excessive daytime sleepiness
- Persistent morning headaches
- Difficulty breathing through your nose
- Frequent nighttime waking
- Unrefreshing sleep
- Difficulty concentrating
- Symptoms that interfere with daily activities
An ENT specialist can assess the nose, throat and upper airway to identify structural factors that may contribute to obstructive sleep apnea.
If you develop severe breathing difficulty while awake, chest pain, fainting or another acute medical emergency, seek emergency medical care.
When Is Sleep Apnea Surgery Needed?
Surgery is not the first treatment for every person with sleep apnea.
It may be considered when there is an identifiable anatomical problem contributing to airway obstruction, or when other treatments such as CPAP are not suitable, effective or tolerated.
Who May Be a Candidate for Sleep Apnea Surgery?
Surgery may be considered for selected patients who have:
- A correctable anatomical obstruction
- Enlarged tonsils or other obstructive tissue
- Significant nasal obstruction
- Certain jaw or airway structural problems
- Difficulty tolerating CPAP
- Persistent sleep apnea despite other treatments
Sleep apnea surgery may be considered when airway blockage is caused by a structural problem or when other treatments are unsuitable or ineffective. Depending on the cause, surgery may address nasal blockage, enlarged tonsils or adenoids, soft palate or throat structures, jaw position or other areas that narrow the airway.
Surgery may reduce or even resolve sleep apnea in selected patients, but it does not always replace CPAP. Some people may still need CPAP or other treatments after surgery.
Success depends on the type of surgery, airway anatomy, severity of sleep apnea and overall health. An ENT specialist can assess whether surgery is appropriate and discuss its expected benefits and limitations.
How Do ENT Specialists Diagnose Sleep Apnea?
Your assessment may begin with a detailed discussion about your sleep, symptoms and medical history.
Your specialist may ask about:
- Snoring
- Breathing pauses
- Gasping during sleep
- Daytime sleepiness
- Sleep quality
- Morning headaches
- Medications
- Alcohol consumption
- Medical conditions
- Weight changes
- Family history
The ENT specialist may also examine your nose, throat and upper airway.
Sleep Study
A sleep study monitors your breathing and other body functions while you sleep.
Depending on the type of test, it may assess:
- Breathing patterns
- Oxygen levels
- Heart rate
- Breathing interruptions
- Sleep-related events
Some people may be suitable for a home sleep apnea test, while others may require an overnight sleep study in a sleep facility.
The appropriate test depends on your symptoms, health history and suspected sleep disorder.
Which Sleep Apnea Treatment Is Right for You?
There is no single treatment that works for everyone.
Treatment depends on the type and severity of sleep apnea, your anatomy, overall health, lifestyle and ability to tolerate different treatments.
| Treatment | May Be Suitable For | Main Advantage | Key Consideration |
| Lifestyle changes | Many patients | Supports overall health | May not be enough alone |
| Positional therapy | Position-dependent OSA | Non-invasive | Works best for selected patients |
| CPAP/PAP | Many patients with OSA | Highly effective when used consistently | Requires regular use |
| Oral appliance | Selected patients | Portable and less bulky | Not suitable for everyone |
| Surgery | Selected anatomical causes | Can address structural obstruction | Invasive and outcomes vary |
What Can You Do During Recovery and to Prevent Sleep Apnea From Worsening?
Your recovery depends on the treatment you receive.
After surgery, follow your specialist’s instructions regarding wound care, medication, activity and follow-up appointments.
After starting CPAP or another non-surgical treatment, consistent use is important to achieve the best possible outcome.
What Lifestyle Changes Can Help?
Depending on your individual circumstances:
- Maintain a healthy weight
- Exercise regularly
- Limit alcohol, particularly before bedtime
- Avoid smoking
- Maintain a consistent sleep schedule
- Manage nasal congestion
- Follow your prescribed treatment
- Attend follow-up appointments
Don’t Ignore the Signs of Sleep Apnea
Persistent snoring, waking up gasping or feeling exhausted despite getting enough sleep should not simply be dismissed as poor sleep.
Sleep apnea is treatable, but the right treatment depends on identifying the underlying cause and severity. If you suspect you may have sleep apnea, speak with an ENT specialist for an appropriate assessment and discuss whether further sleep testing is needed.
At Hospital Seri Botani, an ENT specialist evaluation can help you understand your symptoms and explore the most suitable treatment options for your condition.
A broader health assessment may also be useful because sleep apnea can occur alongside cardiovascular and metabolic health concerns. Consider our Health Screening Package to better understand your overall health and identify potential concerns that may require further evaluation.
FAQs
- Can Sleep Apnea Cause Morning Headaches?
Yes. Morning headaches can occur in people with sleep apnea, although headaches have many possible causes. Persistent or recurrent headaches should be evaluated.
- Does Sleeping Position Matter?
Yes. Some people experience more airway obstruction when sleeping on their back. Sleeping on your side may help selected patients, but it does not replace appropriate treatment.
- Can Alcohol Worsen Sleep Apnea?
Yes. Alcohol can relax the muscles around the upper airway and may worsen breathing interruptions during sleep.
- Is Sleep Apnea Genetic?
Family history can increase the risk of sleep apnea. However, genetics are only one factor, and having a family history does not mean you will definitely develop it.
- Can People With a Normal Weight Have Sleep Apnea?
Yes. People with a normal body weight can develop sleep apnea. Airway anatomy, age, family history, nasal obstruction and other factors can contribute.
- Is Sleep Apnea Permanent?
Not necessarily. Sleep apnea may improve when contributing factors are addressed, but some people require long-term treatment. The outlook depends on the type and underlying cause.
- Can Sleep Apnea Return After Treatment?
Yes. Sleep apnea can persist or return after treatment, particularly if underlying risk factors remain or change. Follow-up testing may be recommended to determine whether treatment remains effective.
- Will Children Have Sleep Apnea?
Yes. Children can develop sleep apnea, although the causes and symptoms may differ from those seen in adults. Enlarged tonsils or adenoids, for example, can contribute to airway obstruction. Speak with a Paediatrician for further assessment and discussion.
- Can I Travel With CPAP?
Yes. Many people travel with their CPAP equipment. Plan ahead for flights, power requirements and equipment storage, and follow your healthcare provider’s advice.
- Can I Drive With Sleep Apnea?
Having sleep apnea does not automatically mean you cannot drive. However, excessive daytime sleepiness can make driving dangerous.
If you regularly struggle to stay awake while driving or feel that you could fall asleep behind the wheel, seek medical assessment and avoid driving until you can do so safely.
- What If I Cannot Tolerate CPAP?
CPAP can be highly effective, but some people have difficulty adjusting to it.
Common problems include:
- Mask discomfort
- Air leaks
- Dry mouth
- Nasal congestion
- Feeling claustrophobic
- Difficulty sleeping with the device
If CPAP feels uncomfortable, do not simply stop using it without speaking to your healthcare provider.
Adjustments to the mask, pressure settings, humidification or other aspects of treatment may improve comfort. In selected patients, an alternative treatment may also be considered.
- Will I Need CPAP for Life?
There is no universal answer.
Some people require long-term treatment, while others may see their treatment needs change if contributing factors are addressed or another effective treatment is used.
Your doctor should reassess your condition before you stop or change CPAP treatment.
