What Inspire Is and How It Works

Inspire is a small implanted device that keeps your airway open during sleep by stimulating a nerve that controls your tongue and throat muscles. Instead of pushing air into your airway like a CPAP machine does, Inspire works from inside your body. You wear a small remote control on your wrist, and each night before bed you turn it on. The device then delivers gentle pulses throughout the night to prevent your airway from collapsing.

The implant itself is about the size of a pacemaker battery. A surgeon places it under the skin in your chest during an outpatient procedure. A thin wire runs from the device up to a nerve in your neck called the hypoglossal nerve. When activated, the device sends electrical signals that tell your tongue to move forward slightly—just enough to keep your airway open while you sleep.

You control when the device is on and off using a wrist remote. Most people turn it on before sleep and off when they wake up. The battery lasts about seven to ten years, after which you would need a replacement procedure.

Key Takeaways

  • Inspire is a surgically implanted device that stimulates a nerve to keep your airway open, rather than pushing air like CPAP machines do.
  • The procedure is outpatient surgery, meaning you go home the same day, though full recovery takes several weeks.
  • You control the device with a wrist remote that you turn on before bed and off when you wake.
  • Insurance coverage varies by plan and by your specific sleep apnea severity, so you will need to contact your insurer before pursuing surgery.
  • Not everyone is a candidate—you need moderate to severe obstructive sleep apnea and must meet other medical criteria that a sleep doctor will assess.

Who Can Use Inspire

Inspire is not for everyone with sleep apnea. A sleep doctor will need to confirm you have obstructive sleep apnea (OSA)—the kind where your airway physically collapses—rather than central sleep apnea, where your brain does not send the signal to breathe. Your apnea-hypopnea index (AHI), a measure of how many times per hour your breathing stops or becomes shallow, typically needs to be in a certain range. Most people who use Inspire have moderate to severe OSA.

You also need to be able to tolerate the surgery itself. Your doctor will review your overall health, any medications you take, and whether you have conditions like severe heart disease that would make surgery risky. Some people cannot use Inspire because of anatomy—for example, if your airway collapses in a way the device cannot address, or if scar tissue from previous neck surgery makes implantation difficult.

Weight matters too. Inspire works better for people within a certain BMI range, though the exact cutoff varies by surgeon and institution. Your sleep doctor can tell you whether your weight is a factor in your case.

The Surgery and Recovery Process

The implant procedure takes about one to two hours and is done under general anesthesia. The surgeon makes a small incision in your chest to place the main device, then another small incision in your neck to position the nerve-stimulating electrode. You go home the same day, though you will need someone to drive you.

For the first two to four weeks after surgery, you cannot use the device—your body needs time to heal around the implant. During this period, you will likely go back to using your CPAP machine or another treatment if you were using one before. After healing is complete, your doctor will activate the device and teach you how to use the remote.

Full recovery takes about four to six weeks. You will have follow-up appointments to check the incisions, make sure the device is working correctly, and adjust the stimulation settings if needed. Most people can return to normal activities within a few weeks, though you should avoid heavy lifting or strenuous exercise for the first month.

Cost and Insurance Coverage

The total cost of Inspire—including the device, surgery, anesthesia, and follow-up care—typically ranges from $30,000 to $40,000, though this varies by location and hospital. Most of this cost is the device itself, which is expensive because it is custom-made and requires ongoing support.

Insurance coverage depends on your specific plan and your diagnosis. Medicare covers Inspire for people who meet certain criteria: moderate to severe OSA confirmed by a sleep study, documented failure or intolerance of CPAP therapy, and a BMI below a certain threshold (this varies). Private insurance plans have their own rules, and some cover it while others do not. A few plans require you to try CPAP for a set period first and document that it did not work for you.

Before pursuing surgery, contact your insurance company directly and ask whether Inspire is covered under your plan. Ask specifically what documentation they need—usually a sleep study, a letter from your sleep doctor, and sometimes proof that you tried CPAP. Some insurers will tell you upfront whether they will cover it; others require a formal review after your doctor submits the paperwork.

How Inspire Compares to CPAP and Other Treatments

CPAP machines blow air into your airway to keep it open. They are effective but require wearing a mask every night, and many people find them uncomfortable or claustrophobic. Inspire does not require a mask, which is why some people prefer it. However, CPAP is less invasive—no surgery—and costs far less upfront.

Other options include oral appliances (custom mouthpieces that move your jaw forward), positional therapy (sleeping on your side), weight loss, and in some cases, surgery to remove tissue blocking your airway. Inspire is typically considered when CPAP has not worked or when someone cannot tolerate it, though some people choose it as a first option if they meet the criteria and prefer not to use a mask.

The main trade-off is surgery versus daily equipment. Inspire requires an invasive procedure and eventual replacement surgery, but once healed, you only use a small remote. CPAP requires no surgery but demands nightly mask use and equipment maintenance. Your sleep doctor can help you weigh these factors based on your specific situation.

What to Expect After You Start Using Inspire

Once your device is activated, your doctor will start you at a low stimulation level and gradually increase it over several weeks until your symptoms improve. You may feel a tingling sensation in your throat or tongue when the device is on—this is normal and usually fades as you adjust. Some people notice their sleep improves within the first few weeks; others take longer to feel a difference.

You will have follow-up appointments at one month, three months, and six months after activation, and then annually. At these visits, your doctor checks how well the device is working, adjusts the settings if needed, and monitors for any side effects. If you are not seeing improvement, your doctor may increase the stimulation level or investigate whether something else is affecting your sleep.

The device battery will eventually run out—typically after seven to ten years of nightly use. When that happens, you will need another outpatient procedure to replace it. The replacement is usually simpler than the initial surgery because the surgeon does not need to reposition the electrode.

Potential Side Effects and Risks

Like any surgery, implantation carries risks including infection, bleeding, and nerve injury. These are uncommon but possible. Some people experience tongue weakness or discomfort in the first weeks after surgery, which usually resolves as healing progresses.

Once the device is active, side effects are typically mild. Some people report a sensation of tingling or pulling in the throat, mild tongue soreness, or temporary jaw discomfort. These often improve as the body adjusts. A small number of people find the stimulation uncomfortable and choose to stop using the device.

The device can interfere with certain medical imaging, particularly MRI scans. If you ever need an MRI, you must tell the technician you have Inspire so they can take appropriate precautions or use alternative imaging. Your device will come with a card to carry in your wallet identifying it.

Frequently Asked Questions

Will I feel the device working while I sleep?

Most people do not feel it once they are asleep. You may notice a tingling or gentle pulling sensation when you first turn it on before bed, but this usually fades quickly. Some people become aware of it if they wake during the night, but it does not typically disturb sleep.

Can I travel with Inspire?

Yes. The wrist remote is small and portable. You can take it through airport security—just let them know you have an implanted medical device. The device itself stays in your body, so there is nothing to pack. You should carry your device identification card when traveling.

What happens if the device stops working?

Contact your sleep doctor immediately. They can check whether the device is still functioning and whether the battery needs replacement. In the meantime, you may need to return to using CPAP or another treatment to manage your sleep apnea while the problem is being resolved.

Do I need to do anything special to maintain the device?

The remote needs to be charged regularly, usually nightly or every few days depending on the model. Your doctor will give you a charger and instructions. The implanted device itself requires no maintenance—it works automatically once activated. You do not need to do anything except turn the remote on and off.

Can I use Inspire if I have other health conditions?

It depends on the condition. Your sleep doctor and surgeon will review your medical history to determine whether surgery is safe for you. Some conditions like uncontrolled heart disease or severe lung disease may make surgery too risky. Others do not prevent you from using Inspire. Be honest with your doctor about all your health conditions so they can make an informed decision.