Published 12 September 2026 · Comooz clinical team, Singapore
Quick answer
You may have sleep apnea if you snore loudly, have witnessed breathing pauses, wake up choking, or feel tired despite enough sleep, but symptoms alone cannot confirm it. In Singapore, the usual way to know if you have sleep apnea is a doctor’s assessment followed by a home sleep test or polysomnography, with AHI, oxygen drops, and event type interpreted in clinical context.
How to Know if You Have Sleep Apnea in Singapore
For the complete Singapore guide, see our full breakdown of obstructive sleep apnea treatment singapore.
Key takeaways
-
Sleep apnea cannot be confirmed by symptoms alone; diagnosis usually needs a home sleep test or polysomnography reviewed by a doctor or sleep physician.
-
AHI 5 to 14.9 is commonly classed as mild, 15 to 29.9 as moderate, and 30 or more as severe in adults.
-
In Singapore, Type 3 home sleep tests are commonly used for suspected obstructive sleep apnea, while Type 2 studies can be arranged manually with a trained specialist.
-
Comooz’s 5-night CPAP trial is not free; it requires a deposit + mask cost + $98 return fee.
-
Comooz, a Singapore CPAP provider (UEN 201808754M), operates strictly by appointment at 151 Chin Swee Rd, #02-03, Singapore 169876.
-
Current bundle pricing is $2,068 nett for the ResMed AirSense 11 AutoSet Bundle and $1,868 nett for the ResMed AirSense 10 AutoSet Bundle.
What sleep apnea is and why it matters
Sleep apnea is a sleep-related breathing disorder in which airflow repeatedly reduces or stops during sleep. The most common type is obstructive sleep apnea, where the upper airway narrows or collapses. Central sleep apnea is different because breathing control from the brain becomes unstable.
These events can cause oxygen drops, repeated brain arousals, and fragmented sleep even when you do not fully wake up. That is why many people search for how to know if you have sleep apnea after months of snoring, fatigue, poor focus, or unexplained morning headaches.
A doctor does not diagnose sleep apnea from snoring alone. Diagnosis usually depends on symptoms, risk factors, physical assessment, and measured breathing events during a sleep study.
Common signs that may suggest sleep apnea
The most common warning signs are loud snoring, witnessed pauses in breathing, choking awakenings, and waking unrefreshed. Daytime symptoms often include sleepiness, poor concentration, morning headaches, dry mouth, irritability, and reduced alertness.
A bed partner often notices the problem first. They may see repeated quiet pauses followed by a gasp, snort, or body jerk.
You may also notice:
-
Needing more sleep but still feeling tired
-
Dozing during meetings, commuting, or TV time
-
Waking to pass urine frequently
-
Difficulty focusing at work
-
Reduced alertness while driving
Some people do not fit the classic picture. Clinically important obstructive sleep apnea can present mainly as hypertension, atrial fibrillation, fragmented sleep, or persistent fatigue rather than obvious daytime sleepiness.
Who is at higher risk in Singapore
Certain risk factors make sleep apnea more likely, but they do not prove you have it. Risk commonly rises with higher BMI, larger neck size, older age, male sex, nasal blockage, alcohol or sedative use, and family history.
People in Singapore should consider assessment earlier if they also have:
-
High blood pressure, especially if hard to control
-
Type 2 diabetes
-
Atrial fibrillation
-
Persistent snoring with unrefreshing sleep
-
Safety-sensitive work such as commercial driving or shift work
This is not only a “heavy snorer” condition. Slim people can also have obstructive sleep apnea if jaw structure, airway anatomy, or nasal obstruction increases collapse risk. If structural airway issues are suspected, an ENT doctor or sleep physician may be involved.
Who this article is for, and who it is not for
This guide is for adults in Singapore who suspect obstructive sleep apnea and want to understand the pathway from symptoms to testing. It is especially useful if you are deciding whether a home sleep test is worth discussing with a doctor.
This guide is not for self-diagnosis, and it is not a substitute for urgent medical care. If you have severe breathlessness, chest pain, dangerous daytime sleepiness while driving, or complex neurological or cardiopulmonary issues, seek medical review promptly.
Sleep apnea vs snoring: how they differ
Snoring is a sound. Sleep apnea is a breathing disorder. That is the simplest way to separate them.
Snoring happens when tissues in the airway vibrate during sleep. Sleep apnea happens when airflow repeatedly drops or stops enough to create abnormal breathing events, often with oxygen desaturation or repeated arousals.
A simple comparison helps:
| Feature | Snoring | Sleep apnea |
|---|---|---|
| Main issue | Noise from airway vibration | Repeated abnormal breathing during sleep |
| Breathing pauses | Usually absent | Often present |
| Oxygen desaturation | Not typical by itself | May occur during events |
| Daytime sleepiness | May or may not happen | Common when clinically significant |
| Confirmation | Not usually a formal diagnosis | Usually needs a sleep test |
If your snoring comes with choking, witnessed pauses, morning headaches, resistant hypertension, or heavy daytime sleepiness, the question is no longer just “Do I snore?” but “Could this be sleep apnea?”
How doctors assess whether you might have sleep apnea
Doctors assess possible sleep apnea by combining symptoms, physical findings, and screening tools. Questionnaires help estimate risk, but they do not diagnose.
Common tools include the STOP-Bang questionnaire and the Epworth Sleepiness Scale. STOP-Bang looks at snoring, tiredness, observed apneas, blood pressure, BMI, age, neck circumference, and sex. Epworth estimates how likely you are to doze in everyday settings.
A typical assessment may include:
-
Sleep history and partner observations
-
Medical history, including hypertension and arrhythmias
-
Weight, BMI, neck size, and airway exam
-
Review of alcohol use, sedatives, and nasal obstruction
-
Referral to a sleep physician when needed
If you are trying to work out how to know if you have sleep apnea, this is usually the stage where suspicion becomes more specific. You can read more background guides in Comooz’s sleep apnea learning resources.
Tests used to confirm sleep apnea in Singapore
Sleep apnea is usually confirmed with a home sleep test or an in-lab polysomnography study. The best test depends on how straightforward or complex the case is.
A home sleep test is a portable overnight test done at home that focuses mainly on breathing-related signals such as airflow, respiratory effort, and oxygen levels. A polysomnography study is a more comprehensive lab-based test that can also record sleep stages and evaluate more complex sleep problems.
Test comparison
| Test | What it measures | Who it suits | Convenience | Limitations | When a doctor may recommend it |
|---|---|---|---|---|---|
| Type 3 home sleep test | Breathing-related signals such as airflow, effort and oxygen levels | Adults with straightforward symptoms suggesting obstructive sleep apnea | High; usually done in your own bed | Less detailed than lab testing | When obstructive sleep apnea is strongly suspected |
| Type 2 home sleep test | More detailed home-based setup arranged manually with a trained specialist | People who need a more involved home-based study | Moderate | More setup-intensive than Type 3 | When more data is needed but a home pathway is still preferred |
| In-lab polysomnography | Breathing, oxygen, sleep staging, and other monitored parameters | People with complex symptoms, uncertain cases, or suspected non-routine sleep disorders | Lower; requires attended study | More involved and less like usual sleep | When the clinical picture is complex or broader evaluation is needed |
In Singapore, Type 3 home sleep tests are commonly available on demand. Type 2 studies can also be arranged manually with a trained specialist. If you want the practical pathway, see Comooz’s page on home sleep test options in Singapore.
When a home sleep test may not be enough
A home sleep test is often suitable when obstructive sleep apnea is the main suspicion and the history is straightforward. It may be less suitable when symptoms are complex, when central events are suspected, or when a doctor needs a broader sleep evaluation.
That is where polysomnography can be useful. Polysomnography records more channels and can answer questions that a simpler Type 3 study may not.
What the results mean: AHI levels and severity
The apnea-hypopnea index, or AHI, is the number of apnea and hypopnea events per hour of sleep or monitoring. AHI is one of the main numbers used to classify sleep apnea severity.
In adults, the usual AHI bands are:
| AHI range | Common interpretation |
|---|---|
| Below 5 | Often considered within normal range |
| 5 to 14.9 | Mild sleep apnea |
| 15 to 29.9 | Moderate sleep apnea |
| 30 or more | Severe sleep apnea |
AHI is important, but it is not the whole story. Doctors also look at oxygen desaturation, symptom burden, whether events are obstructive or central, and whether the test quality was good enough for interpretation.
If central events are suspected, the pathway may differ from routine obstructive sleep apnea. That is one reason a report should be interpreted by a qualified clinician rather than self-diagnosed from a single number.
What happens after sleep apnea is confirmed
Once sleep apnea is confirmed, treatment depends on severity, symptoms, anatomy, and medical context. Options may include weight management, positional strategies, oral appliance therapy, surgery in selected cases, and PAP therapy.
For many adults with obstructive sleep apnea, CPAP is standard treatment because it uses pressurised air to keep the airway open during sleep. AutoSet machines automatically adjust pressure within a prescribed range, while a formal titration process may be used to identify effective pressure settings. Some patients with pressure intolerance or specific needs may be assessed for bilevel therapy, where EPAP and inspiratory support are set differently.
Mask choice matters because comfort affects adherence. A nasal pillow mask suits some people who want minimal facial contact, while a full face mask may fit better if mouth breathing is prominent.
Mask style comparison
| Mask style | Best for | Trade-off |
|---|---|---|
| Nasal pillows | Minimal contact, lighter feel | May be less suitable if you mainly mouth-breathe |
| Nasal cradle or nasal mask | A balance of stability and lighter facial coverage | Needs a reasonably open nose |
| Full face mask | Mouth breathers or frequent nasal blockage | More facial coverage |
If you want to compare machine options after diagnosis, see CPAP machines available in Singapore.
CPAP machine options and current pricing in Singapore
If CPAP is recommended, the practical questions are usually machine type, humidification, mask fit, and price. Comooz, a Singapore CPAP provider (UEN 201808754M), currently offers two main ResMed AutoSet bundles with fitted mask included.
| Product | Nett price | Display and controls | Humidification | Connectivity and features | Bundle includes |
|---|---|---|---|---|---|
| ResMed AirSense 11 AutoSet Bundle | $2,068 | Full-colour touchscreen | Built-in humidifier with Climate Control | Over-the-air updates and Care Check-in | Main unit, power supply, built-in humidification, tubing, filter, carrying case and a fitted mask |
| ResMed AirSense 10 AutoSet Bundle | $1,868 | Monochrome display with dial | Integrated HumidAir chamber | Built-in cellular connectivity for myAir app | Main unit, power supply, built-in humidification, tubing, filter, carrying case and a fitted mask |
The ResMed AirSense 11 AutoSet suits people who want a newer interface, integrated humidification, and newer software features. The ResMed AirSense 10 AutoSet suits people who prefer a proven workhorse design and a simpler control layout.
Trial and rental options
Some people want to test comfort before buying. Comooz offers a 5-night CPAP trial, but it is not a free trial; it requires a deposit + mask cost + $98 return fee.
Comooz also offers monthly CPAP rental with 3-month offset rules toward purchase. Exact suitability depends on your diagnosis, prescription, and equipment needs.
What can happen if sleep apnea is left untreated
Untreated sleep apnea can affect both safety and long-term health. The most immediate problems are often sleepiness, poor concentration, fragmented sleep, mood changes, and reduced work performance.
Over time, untreated obstructive sleep apnea is associated with:
-
Hypertension
-
Heart rhythm issues such as atrial fibrillation
-
Stroke risk
-
Poorer metabolic health, including type 2 diabetes
-
Reduced quality of life
-
Drowsy-driving risk
This does not mean every snorer has the same risk. It means persistent symptoms and risk factors deserve proper assessment rather than guesswork.
What to do next if you think you have sleep apnea
If you think you may have sleep apnea, the next step is assessment, not self-diagnosis. Document your symptoms, ask your bed partner what they observe, and book a review with a doctor or sleep specialist.
You should seek help sooner if you have:
-
Witnessed breathing pauses
-
Choking awakenings
-
Significant daytime sleepiness
-
Resistant high blood pressure
-
Safety-critical work or drowsy-driving concerns
Depending on the findings, a doctor may recommend a home sleep test, polysomnography, referral to a sleep physician, or evaluation by an ENT doctor. If a test confirms obstructive sleep apnea, treatment can then be matched to your pattern and severity.
How Comooz can help in Singapore
Comooz, a Singapore CPAP provider (UEN 201808754M), helps adults understand practical next steps after medical review for suspected or confirmed obstructive sleep apnea. Comooz does not replace a doctor’s diagnosis, but it can help with testing logistics, PAP education, and equipment decisions.
Support options include:
-
Guidance on Type 3 home sleep test arrangements
-
Manual arrangement of Type 2 studies with a trained specialist
-
CPAP education, mask fitting, humidification setup, and machine comparisons
-
Monthly CPAP rental with 3-month offset rules toward purchase
-
A 5-night CPAP trial that is not free and requires deposit + mask cost + $98 return fee
Showroom visits are strictly by appointment at 151 Chin Swee Rd, #02-03, Singapore 169876. For direct help, use the Comooz contact page, email support@comooz.sg, or call +65 8892 2591.
Frequently asked questions
Can I tell if I have sleep apnea just from my symptoms?
Symptoms can strongly raise suspicion, but they cannot confirm sleep apnea. Some people with sleep apnea have few obvious symptoms, while some tired snorers have another cause. A doctor or sleep physician usually reviews your history, risks, and screening tools, then decides whether a home sleep test or polysomnography is appropriate.
Do you have to snore to have sleep apnea?
No. Loud snoring is common in obstructive sleep apnea, but it is not required for the diagnosis. Some people with sleep apnea do not snore noticeably, and many people who snore do not have apnea. Witnessed pauses, choking awakenings, morning headaches, sleepiness, and resistant hypertension are often more useful clues.
What is the difference between a home sleep test and a lab sleep study?
A home sleep test is usually done in your own bed and focuses mainly on breathing signals such as airflow, effort, and oxygen levels. A lab sleep study, or polysomnography, is more detailed and can evaluate sleep stages and more complex sleep disorders. A doctor chooses based on your symptoms and medical history.
What AHI number means you have sleep apnea?
Doctors commonly use AHI to classify severity. In adults, 5 to 14.9 is often mild, 15 to 29.9 moderate, and 30 or more severe. But the diagnosis is not based on AHI alone; symptoms, oxygen desaturation, event type, and study quality also matter, so a clinician should interpret the result.
Is sleep apnea dangerous if it is not treated?
It can be. Untreated sleep apnea is associated with daytime sleepiness, impaired concentration, poorer quality of life, and higher risks of high blood pressure, heart rhythm problems, stroke, and metabolic issues. Individual risk varies, but persistent symptoms or risk factors are a good reason to seek medical advice instead of waiting.
Who should get checked for sleep apnea in Singapore?
Adults should consider review if they have loud snoring, witnessed breathing pauses, choking awakenings, unrefreshing sleep, morning headaches, or significant daytime sleepiness. Assessment is also sensible for people with obesity, hypertension, atrial fibrillation, type 2 diabetes, or safety-sensitive jobs where drowsiness could cause harm.
WhatsApp Comooz or call +65 8892 2591 if you want help understanding how to know if you have sleep apnea in Singapore and what testing or CPAP steps may suit you next.
Related guides
- Delayed Sleep Phase vs Insomnia: Key Clues | Comooz
- Still Sleepy Despite CPAP? What to Review
- Excessive Daytime Sleepiness in Singapore: What to Do
- Body-Clock Sleep Problems in Singapore | Comooz
- More sleep apnea basics guides
- Ready to act? get tested for sleep apnea or WhatsApp Comooz at +65 8892 2591.
Frequently asked questions
- Can I tell if I have sleep apnea just from my symptoms?
- Symptoms can raise suspicion, but they cannot confirm sleep apnea. Some people with sleep apnea do not notice symptoms, while others who snore or feel tired may have another cause. A doctor or sleep specialist may review your sleep history, medical risks, and screening questionnaires, then recommend a home sleep test or lab sleep study.
- Do you have to snore to have sleep apnea?
- No. Loud, habitual snoring is common in obstructive sleep apnea, but not everyone with sleep apnea snores, and not everyone who snores has sleep apnea. Other warning signs include witnessed pauses in breathing, choking during sleep, excessive daytime sleepiness, morning headaches, poor concentration, and resistant high blood pressure.
- What is the difference between a home sleep test and a lab sleep study?
- A home sleep test is usually done in your own bed and can help detect many cases of suspected obstructive sleep apnea. A lab sleep study, or polysomnography, is more detailed and can assess sleep stages, limb movements, and more complex breathing disorders. A doctor decides which test is more appropriate based on your symptoms and medical history.
- What AHI number means you have sleep apnea?
- Doctors commonly use the apnea-hypopnea index, or AHI, to classify severity. In adults, an AHI of 5 to 14.9 is often considered mild, 15 to 29.9 moderate, and 30 or more severe. The diagnosis also depends on symptoms, oxygen drops, and the overall clinical picture, so results should be interpreted by a qualified clinician.
- Is sleep apnea dangerous if it is not treated?
- It can be. Untreated sleep apnea is associated with daytime sleepiness, impaired concentration, reduced quality of life, and higher risks of high blood pressure, heart rhythm problems, stroke, and metabolic issues. The level of risk varies between individuals, so it is sensible to seek medical advice if symptoms or risk factors are present.
- Who should get checked for sleep apnea in Singapore?
- Consider seeing a doctor if you have loud snoring, witnessed breathing pauses, choking awakenings, significant daytime sleepiness, or morning headaches. You should also ask about assessment if you have obesity, high blood pressure, atrial fibrillation, type 2 diabetes, or persistent fatigue despite enough sleep. Commercial drivers and shift workers may need particular caution because of safety concerns.
Related guides
Sleeping After Night Shifts: A Practical Guide | Comooz
Learn how adults can protect daytime sleep after night shifts, plan around rotating rosters, recognise safety risks and know when to get help.
Body-Clock Sleep Problems in Singapore | Comooz
Explore circadian rhythm sleep problems, common symptoms, and when to seek help in Singapore, including delayed sleep, night shifts and jet lag.
Still Sleepy Despite CPAP? What to Review
Still sleepy while using CPAP? Prepare for a clinician review of treatment use, mask leaks, sleep duration, medicines and other possible causes.
Excessive Daytime Sleepiness in Singapore: What to Do
Always sleepy, even after eight hours? Understand common causes of daytime sleepiness, what an assessment involves and when to seek help in Singapore.
Not sure what you need?
Our sleep team can answer your questions and help you choose the right CPAP, mask, or sleep test in Singapore.