Traditionally, to be diagnosed with sleep apnea, you had to complete a sleep study called a polysomnography (PSG) in a lab, hospital, or clinic. While in-lab testing is still the gold standard, an at-home sleep apnea test is another option that you and your doctor may decide is a good fit for you.
At-home sleep apnea tests are best suited for people who are suspected of having moderate to severe obstructive sleep apnea that isn’t complicated by other disorders. Taking a sleep apnea test at home can be more convenient and comfortable than in a lab, but it may have limitations as well.
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What Are At-Home Sleep Apnea Tests?
Home sleep apnea tests (HSATs) are also called unattended sleep studies or out-of-center sleep testing. The test typically involves attaching sensors to your body, which are connected to a portable monitor that records and displays different types of information.
Home sleep apnea testing can be a good alternative for diagnosing sleep apnea for those who:
- Do not have moderate or severe obstructive sleep apnea based on their symptoms
- Do not have certain medical conditions, like chronic obstructive pulmonary disease (COPD) or congestive heart failure
- Do not have insomnia or need to be evaluated for another sleep disorder, like sleepwalking or narcolepsy
If you qualify for an at-home sleep apnea test, the equipment may be delivered to your home, or you may need to pick it up from a sleep center. There are three different types of home sleep apnea devices, though types 3 and 4 are the most common.
- Type 2: These tests can measure the same data as an in-lab polysomnography, which may be called a type 1 test. A technician usually helps you set up the sensors or leads at a sleep center, or they may teach you how to do it at home. Type 2 tests are not often used, because they can be too complex for a home setting.
- Type 3: These portable monitoring devices can measure up to seven different variables including respiratory, cardiac, and blood oxygen measures. Unlike in-lab tests, type 3 tests can’t distinguish between wakefulness and sleep because they don’t measure brain activity. But some type 3 devices can estimate sleep measures by detecting your movement.
- Type 4: Type 4 devices are also portable but only measure one to three variables, like airflow and blood oxygen level.
What Do At-Home Sleep Apnea Tests Measure?
At-home sleep apnea tests measure bodily metrics like airflow, heart rate, blood oxygen, and snoring. These measures can demonstrate that your breathing is interrupted during sleep, which can help sleep specialists make a sleep apnea diagnosis.
While at-home devices differ, certain variables are commonly measured.
- Respiratory effort: This is a measure of how well you breathe in and out. Some at-home sleep apnea tests use a belt placed around the chest to measure how your chest rises and falls as you breathe.
- Airflow: With some tests, you place a device called a nasal cannula inside each nostril to measure the flow of air into and out of your nose.
- Snoring: Some tests can detect snoring by using a chest sensor or nasal pressure sensor.
- Oxygen saturation: A device known as a pulse oximeter measures how much oxygen is in your blood. The device is usually placed on the tip of your finger.
- Heart rate: The pulse oximeter you wear on your finger typically also measures your heart rate.
- Body position and movement: Certain test devices include sensors that can detect your body position and movement.
- Peripheral arterial tone (PAT): PAT measures the change in volume of your finger artery, which corresponds to abnormal breathing events. Some at-home tests measure PAT as a way to track breathing, rather than measuring airflow or respiratory effort. These devices don’t require a chest band or nasal cannula.
Unlike PSG, type 3 and 4 at-home tests can’t directly measure sleep activity like sleep stages because they don’t use electrodes that can detect brain activity. These at-home tests focus on breathing and oxygen levels, though some rely on secondary measures, like body movement, to indicate sleep quality.
Your sleep specialist will interpret your results after your test. They will likely focus on one of two sleep apnea indices, depending on your specific device.
- Apnea-hypopnea index (AHI): The AHI is the number of breathing disruptions per hour of sleep.
- Respiratory event index (REI): The REI represents the number of breathing disruptions over the total testing time.
How At-Home Sleep Apnea Tests Work
If you are experiencing sleep apnea symptoms such as loud snoring or daytime sleepiness, there are several steps that can help you obtain an at-home test and take it successfully.
- Talk to your doctor: The first step is to talk to your doctor about your symptoms. Your doctor will likely ask questions about your personal health history and family history. Your doctor may also conduct a physical exam and assess factors such as your age, sex, and weight in order to determine your sleep apnea risk.
- Get a prescription: If your doctor finds you’re at risk for moderate to severe obstructive sleep apnea, they can submit an order for an at-home sleep apnea test. There are also options to order an at-home sleep apnea test online.
- Get your test: The test may be delivered to you, or you may go to a sleep study center to get your device and instructions on how to use it.
- Apply the sensors: When you’re ready to use the test, follow the instructions for your specific device to place the sensors on your body correctly.
- Turn on the device: Follow the instructions and turn on the device when you’re ready to sleep. Some devices also pair to a phone app.
- Sleep normally: Maintain your usual bedtime routine and try to go to sleep as you normally do each night, with the appropriate leads and sensors attached to your body. Most studies require one full night of sleep, including at least four hours of uninterrupted monitoring data.
- Remove the sensors: When you wake up, turn off the device according to the instructions and remove the sensors. Return the device if required.
- Discuss results with your doctor: Your doctor might make treatment recommendations based on your sleep study results, or they may determine that you need additional tests.
Pros of At-Home Sleep Apnea Tests
At-home sleep apnea tests can be more convenient, more flexible, and less costly than in-lab tests.
- Easy access: It may be difficult for you to complete an in-lab sleep apnea test depending on where you live, scheduling constraints, and other responsibilities. Having the equipment brought to your home makes testing more accessible.
- Comfort: You may find the thought of sleeping in a foreign environment unappealing and prefer familiar surroundings instead.
- Flexibility: Having the flexibility to complete the test at home when it works best for you may make you more likely to do it.
- Lower cost: At-home tests are usually more affordable than tests in labs because they don’t require technicians to be on hand. At-home tests also tend to be covered by insurance.
- Shorter wait: You can take the test at home when you’re ready instead of when there’s an appointment available at a sleep center. You might be able to get treatment more quickly if you’re diagnosed sooner.
Cons of At-Home Sleep Apnea Tests
Despite the advantages that HSATs may have, they also come with some disadvantages.
- No technician to monitor the study: Leads or sensors may come off during sleep and fail to record important information. With at-home tests, there’s no technician available to place them again or check that the device is working properly.
- More limited data: At-home tests can’t truly track sleep or arousals because they don’t measure brain waves. This may lead to underestimating the impact that breathing events have on sleep during the study. For the same reason, these tests can’t be used to diagnose other sleep disorders.
- Less accurate AHI measurement: At-home devices use different methods of calculating the AHI than a lab sleep test does. As a result, the reported AHI number may be lower than it actually is. This can lead to a missed sleep apnea diagnosis or an underrepresentation of the degree of sleep apnea.
- Equipment differences: There is no set standard regarding which sensors or algorithms to use across devices, which can cause a lack of uniform results. The SCOPER categorization system has been proposed as a way to evaluate how well home sleep apnea tests measure sleep, cardiovascular activity, oximetry, position, effort, and respiration. However, not all HSATs adhere to this criteria.
Is an At-Home Sleep Apnea Test Right for You?
If your provider believes that you are at risk for moderate to severe obstructive sleep apnea and do not have other medical conditions or sleep disorders, your doctor may recommend an at-home sleep apnea test for you. Taking a sleep apnea test at home might be a good option for you if you have a hectic schedule, want results right away, or simply don’t like the idea of sleeping in a sleep lab.
It’s worth noting that since different sleep disorders share common features, having a sleep study in a lab is the best way to distinguish sleep apnea from other sleep disorders.
The Best At-Home Sleep Apnea Tests
Several devices on the market may be used for at-home sleep studies. For adults over the age of 18, the WatchPAT is an FDA-cleared home sleep test and one of the more advanced options on the market.
The WatchPAT works by measuring seven different physiological variables, including peripheral arterial tone (PAT), body position, heart rate, oxygen saturation, body movement, snoring, and chest motion.
Because it relies on PAT measurements, it doesn’t require a chest band or nasal tubes. All it consists of is a device that fits on your wrist like a watch, a finger sensor, and a chest sensor.
Your WatchPAT will be delivered to you in the mail. After you complete the study, you’ll attend a video consultation with a sleep specialist to review your results, develop a treatment plan, and get a prescription if needed.
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The Sleep Doctor at-home sleep test kit features a sleek and compact design with easy-to-follow instructions. The WatchPAT ONE device is lightweight and comfortable, ensuring a hassle-free user experience. Its modern look and intuitive setup make the testing process straightforward and accessible for all users.
Ideal For
- Perfect for those who need a convenient sleep apnea diagnosis without the hassle of visiting a sleep clinic.
- Ideal for people seeking a more affordable alternative to traditional in-lab sleep studies.
- Suitable for those who prefer a comfortable, home-based testing experience that ensures a natural sleep environment.
Who should keep looking
- Those with severe symptoms may require more comprehensive, in-lab evaluations and immediate professional intervention.
- Users uncomfortable with using wearable devices or following technical instructions may find the process challenging.
- Individuals requiring instant diagnosis and treatment might prefer in-person consultations for faster feedback.
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Price
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Test Location
Wrist, finger, and neck
The Sleep Doctor at-home sleep test provides an easy and affordable method to diagnose sleep apnea from the comfort of your home. Utilizing the WatchPAT ONE device, this test offers a 98% accuracy rate by tracking your sleep data through three contact points on your body. At a cost of $349, it is a significantly cheaper alternative to traditional in-lab sleep studies and is also HSA/FSA eligible.
The test process is straightforward. After ordering the kit, it arrives at your home with clear instructions. You wear the device overnight, and it collects data on various sleep metrics, such as heart rate, oxygen levels, and body movements. This data is then analyzed to determine if you have sleep apnea. The results are reviewed by board-certified sleep specialists who provide a comprehensive report.
One of the key benefits of the Sleep Doctor at-home test is the personalized care that follows. Once your results are ready, you receive a detailed sleep improvement plan tailored to your specific needs. This plan may include lifestyle recommendations, treatment options, and follow-up support to ensure you can manage your sleep apnea effectively.
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Shop NowBefore You Take Your At-Home Sleep Apnea Test
Once your doctor decides that you qualify for a home sleep study, you can take several measures to help make the study successful, including:
- Avoiding alcoholic beverages and caffeinated drinks before going to sleep
- Not taking a nap on the day of the test
- Avoiding the use of hair gels or lotions the day of your test, so the leads and sensors can better attach to your body
- Taking your regularly scheduled medications
- Going to sleep at the same time as usual
Be sure to reach out to your doctor with any questions or concerns you may have.
Written by
Martinique Edwards, Staff WriterMartinique writes content focused on sleep health, science, and trends. She graduated from the University of Georgia with a bachelor’s degree in Ecology and master’s degree in Environmental Health and has research experience in environmental microbiology and aquatic science. Martinique loves to view the world through an ecological lens, where everything is interconnected. In her free time, she enjoys outdoor activities such as running and parkour.
Reviewed by
Dr. Joseph Krainin, Medical ReviewerDr. Krainin graduated with honors from Amherst College and then attended Tufts University for medical school. He completed a fellowship in Sleep Medicine at the prestigious Michael S. Aldrich Sleep Disorders Center of the University of Michigan, Ann Arbor and is board-certified in both neurology and sleep medicine. Seeing a need for more efficient, patient-centric sleep care, he launched Singular Sleep, the first-ever virtual sleep center, in 2015.
