
Sleep studies are clinical tests performed to diagnose sleep apnea and other sleep disorders. They can be carried out at a sleep clinic or at home. In some cases, a sleep study may be prescribed to help diagnose sleep issues and determine whether a CPAP machine is required. However, it is important to note that a prescription is not always necessary for a sleep study, as some doctors administer a simplified version that can be performed at home. During a sleep study, sensors and measuring devices are attached to the body, which some may find uncomfortable. Despite this, most people eventually fall asleep, and the test is considered valid even with reduced sleep.
| Characteristics | Values |
|---|---|
| What is a sleep study? | An overnight clinical test also known as a polysomnography |
| Where is it performed? | At a sleep clinic or at home |
| What is it used for? | To diagnose sleep apnea and other breathing conditions that disrupt sleep and overall health |
| Is a prescription needed? | In some cases, people who are nervous or have severe insomnia may be prescribed sleep medication to help them fall asleep |
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What You'll Learn
- Sleep studies are overnight clinical tests, also known as polysomnography
- Sleep studies can be performed at a sleep clinic or at home
- Sleep studies are used to diagnose sleep apnea and other breathing conditions
- Sleep studies require a prescription for a CPAP machine
- Certain drugs can affect the results of a sleep study, so you may need to stop taking some medications beforehand

Sleep studies are overnight clinical tests, also known as polysomnography
In the United States, a CPAP machine is a federally regulated medical device that requires a prescription. The way to obtain one is to complete a sleep study, which can be done at home or at a sleep lab. A brief telemedicine video chat is generally required for the independent medical practice to review your medical history form and approve the prescription for the home sleep test.
Certain drugs can affect your sleep and the results of the study, so you may need to gradually stop taking some medications in the days leading up to a sleep study. Your doctor will let you know if this is something you need to do.
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Sleep studies can be performed at a sleep clinic or at home
A home sleep study uses fewer sensors than a sleep study at a hospital or sleep clinic. It is used to diagnose obstructive sleep apnea. However, this test is not recommended if you have other sleep disorders or health conditions that could make your breathing more difficult. Home sleep tests will help to diagnose sleep apnea, but may not provide enough data for other sleep order diagnoses such as restless leg syndrome or narcolepsy.
If your sleep study is at a clinic, bring pyjamas, a toothbrush and other toiletries, something to read, and clothes to change into the next day. You can also bring your own pillow. It is normal to sleep less than usual during polysomnography because of the sensors and the unfamiliar environment. This typically does not affect the results of your test, but let your doctor know if you have any concerns.
Home sleep studies are currently only used to evaluate for obstructive sleep apnea (OSA). Home sleep apnea tests are less effective at detecting OSA than polysomnography, so the American Academy of Sleep Medicine Trusted Source National Library of Medicine, Biotech Information The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information. However, home sleep apnea tests are more convenient, may be more affordable, and you may sleep better in your own bed than at a clinic.
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Sleep studies are used to diagnose sleep apnea and other breathing conditions
Sleep studies are often recommended when you have symptoms of conditions that affect sleep, such as sleep apnea, to determine how to treat those conditions or to see if completed treatments worked. Sleep apnea is a condition that disrupts your breathing while you sleep and can be diagnosed through a sleep study. During a sleep study, sensors detect breathing through your nose or mouth and the movement of the breathing-related muscles in your chest and belly.
In some cases, a doctor may prescribe sleep medication to help patients fall asleep during a sleep study if they are nervous or have severe insomnia. It is important to inform your doctor if you are taking any other medications, as certain drugs can affect your sleep and the results of the study. You may need to gradually stop taking some medications in the days leading up to a sleep study.
Home sleep studies can also help diagnose sleep apnea, but they may not provide enough data for other sleep disorder diagnoses such as restless leg syndrome or narcolepsy.
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Sleep studies require a prescription for a CPAP machine
In the United States, a CPAP machine is a federally regulated medical device that requires a prescription. The way to obtain one is to complete a sleep study, which can be done at home or at a sleep lab. During a sleep study, sensors and other measuring devices are attached to your body to monitor your sleep. Even if you get less sleep than you normally do, a sleep study only requires two hours of sleep to be considered valid.
In some cases, people who are nervous about a sleep study or who have severe insomnia may be prescribed sleep medication to help them fall asleep. It is important to disclose any medications you are taking to your doctor before the sleep study, as certain drugs can affect your sleep and the results of the study. You may need to gradually stop taking some medications in the days leading up to the sleep study.
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Certain drugs can affect the results of a sleep study, so you may need to stop taking some medications beforehand
Sleep studies are overnight clinical tests, also known as polysomnography, which are often performed at a sleep clinic. However, some doctors administer a simplified version that can be performed at home. Sleep studies are used to diagnose sleep apnea and other breathing conditions that can disrupt sleep and overall health.
In some cases, people who are nervous about a sleep study or who have severe insomnia may be prescribed sleep medication to help them fall asleep. Before a sleep study, you will have a brief telemedicine video chat to approve your home sleep test. This video chat is generally brief, but it is required for the independent medical practice to review your medical history form and approve the prescription for the home sleep test.
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Frequently asked questions
No, you do not need a prescription for a sleep study. Sleep specialists often perform sleep studies at a sleep clinic, but some doctors administer a simplified version that can be performed at home.
A sleep study is an overnight clinical test also known as a polysomnography. It is used to diagnose sleep apnea and other breathing conditions that can disrupt someone's sleep and overall health.
Sleep studies can be performed at a sleep clinic or sleep laboratory, or at home.
You may need to gradually stop taking some medications in the days leading up to a sleep study. Your doctor will let you know if this is something you need to do. Do not stop taking any prescription medication without first talking to your sleep specialist.











































