Sleep Apnea

How to Treat Sleep Apnea: Positions, Treatment Options, and CPAP

From CPAP to positional therapy to mandibular devices — the full range of sleep apnea treatment options and how to choose the right one.

By The Sleep Editorial Team·July 10, 2025·8 min read·Reviewed by Dr. James Whitfield, MD, Sleep Medicine

How to treat sleep apnea CPAP options — Photograph for Sleep Editorial.

Sleep apnea treatment has never offered more options than it does today. For the approximately 30 million Americans with obstructive sleep apnea, the path from diagnosis to effective treatment has been transformed over the past decade by improvements in CPAP technology, the validation of oral appliances as a first-line alternative, new pharmacological options, and minimally invasive surgical approaches. The idea that sleep apnea means wearing a cumbersome mask forever — or having major surgery — is outdated. Most patients, working with a qualified sleep medicine specialist, can find an effective approach that fits their anatomy, lifestyle, and preferences. This guide covers the full range of evidence-based options.

Obstructive Sleep Apnea Treatment Options

CPAP therapy — most effective for moderate-to-severe OSA; eliminates apneas when used consistently
Oral appliances (MADs) — effective for mild-to-moderate OSA and snoring; many patients prefer to CPAP
Positional therapy — effective for positional OSA (apnea predominantly on the back)
Weight loss — reduces severity substantially; can resolve apnea in obese patients
Hypoglossal nerve stimulation (Inspire) — implantable device for CPAP-intolerant patients
Upper airway surgery — effective in selected anatomical presentations
GLP-1 medications — emerging evidence for AHI reduction through weight loss

CPAP therapy: the gold standard

Continuous positive airway pressure (CPAP) remains the most effective treatment for moderate-to-severe obstructive sleep apnea. The device delivers a continuous stream of pressurized air through a mask worn over the nose, mouth, or both, maintaining sufficient pressure to pneumatically splint the upper airway open throughout the breathing cycle. The result is elimination of apneas, restoration of normal oxygen saturation, resolution of sleep fragmentation, and typically dramatic improvement in daytime energy and cognitive function. On CPAP, the sleep study of a severe sleep apnea patient looks like that of a healthy person without apnea.

Modern CPAP devices have evolved substantially from the earliest models. Auto-titrating CPAP (APAP) continuously adjusts pressure in response to detected airway events, using the minimum effective pressure at any given moment rather than delivering a fixed high pressure throughout the night. This produces greater comfort without sacrificing efficacy. Heated humidification — standard on virtually all modern devices — prevents the dryness and congestion that were common barriers to CPAP adherence with earlier machines. Heated tubing eliminates condensation ("rainout"). Quiet motors have reduced device noise to near-inaudible levels. Companion apps allow patients to monitor their own therapy data daily.

Mask technology is a critical determinant of CPAP adherence. Three primary mask types are available: nasal masks (covering the nose only), nasal pillow masks (small inserts that sit just inside the nostrils), and full-face masks (covering both nose and mouth). Each has advantages for different anatomies and breathing patterns. Patients who breathe primarily through the mouth typically require a full-face mask or a chin strap. Those with claustrophobia or difficulty tolerating contact around the face often do better with minimal-contact nasal pillow designs. Proper mask fit — typically requiring a trial period with multiple options — is the most important factor in comfort and efficacy. Working with a CPAP provider or respiratory therapist to optimize mask selection is time well spent.

Oral appliances: the CPAP alternative

Mandibular advancement devices (MADs), also called oral appliances or mandibular repositioning devices, are custom-fitted mouthguards worn during sleep that advance the lower jaw slightly forward, increasing the dimensions of the pharyngeal airway and reducing the tendency toward upper airway collapse. They are validated as a first-line treatment for mild-to-moderate obstructive sleep apnea and for primary snoring, and as an alternative for severe apnea in patients who cannot tolerate CPAP.

Comparative effectiveness trials find that CPAP reduces AHI more completely than oral appliances on average, but oral appliances are typically better tolerated — patients wear them more consistently, and the real-world effectiveness (accounting for hours of actual use) is comparable for many patients. The American Academy of Sleep Medicine guidelines recommend oral appliances as an appropriate first-line therapy for mild-to-moderate OSA, particularly when patient preference is for a non-CPAP approach. For patients who have tried and failed CPAP, or who travel frequently and find CPAP burdensome, MADs offer a compact, electricity-free alternative.

MADs require fitting by a dentist trained in sleep medicine. Adjustable devices allow incremental titration to optimize jaw advancement — more advancement increases efficacy but also increases the risk of temporomandibular joint discomfort. The common side effects of MAD therapy include morning jaw soreness (usually transient), tooth sensitivity, excessive salivation, and in a minority of patients, temporary bite changes. Long-term use requires periodic dental monitoring. Follow-up sleep testing after MAD titration confirms efficacy — many patients and prescribers underestimate how important this step is.

Positional therapy: for positional OSA

In a significant proportion of patients — estimates range from 30 to 60% — obstructive sleep apnea is predominantly or exclusively positional: apnea events occur primarily or exclusively when sleeping in the supine (back) position. The supine position allows gravity to pull the tongue and soft palate posteriorly, narrowing the pharyngeal airway significantly. In positional OSA, the AHI in the supine position is typically two or more times greater than in the lateral (side-sleeping) position. For these patients, maintaining lateral sleep position can be highly effective.

Positional therapy devices range from the original tennis ball sewn into the back of a pajama top to commercial wearable devices (worn on the chest or back) that vibrate when the patient rolls supine, training the body to avoid the back position during sleep. Studies of both approaches find meaningful reductions in AHI in positional OSA patients. For patients with mild positional OSA, positional therapy may be sufficient as standalone treatment. For moderate-to-severe positional OSA, it is typically used in combination with CPAP or an oral appliance.

Weight management and GLP-1 medications

Obesity is the strongest modifiable risk factor for obstructive sleep apnea. The deposition of fatty tissue in the peripharyngeal spaces reduces airway dimensions and increases collapsibility; weight reduction reverses these changes. The relationship is dose-dependent: approximately a 10% weight reduction produces a 26% reduction in AHI. Significant weight loss through bariatric surgery — gastric bypass, sleeve gastrectomy, or biliopancreatic diversion — resolves or substantially reduces sleep apnea in 50–80% of obese patients who undergo the procedure.

GLP-1 receptor agonist medications (semaglutide, tirzepatide) have emerged as a major development in sleep apnea treatment for obese patients. The SURMOUNT-OSA trial (2024), examining tirzepatide in patients with moderate-to-severe sleep apnea and obesity, found AHI reductions of 55–63% over 52 weeks. Approximately 40% of patients in the trial no longer met criteria for moderate-to-severe sleep apnea at the study's end. These results represent some of the most significant pharmacological advances in sleep apnea treatment in decades. GLP-1 medications are not a substitute for CPAP in patients requiring treatment now — they work over months through weight loss — but they represent a potentially disease-modifying option for appropriate patients.

Hypoglossal nerve stimulation (Inspire therapy)

Inspire therapy — hypoglossal nerve stimulation — is a surgically implanted device system approved by the FDA for moderate-to-severe obstructive sleep apnea in adults who have failed CPAP therapy. The system consists of a sensing lead placed near the intercostal muscles, a stimulation lead placed on the hypoglossal nerve (which controls tongue movement), and a pulse generator implanted under the skin of the chest. Each night, the patient activates the device with a handheld remote. During sleep, it senses breathing effort and delivers mild electrical stimulation to the hypoglossal nerve timed to inspiration, advancing the tongue forward and preventing airway collapse.

Pivotal clinical trials found that Inspire produced a median 68% reduction in AHI, with 66% of patients achieving AHI below 15 events per hour — a clinically meaningful response. Long-term follow-up data at five years show maintained efficacy and high patient satisfaction. Inspire is FDA-indicated for patients with moderate-to-severe OSA (AHI 15–65), body mass index below 35, without concentric collapse of the soft palate (assessed by drug-induced sleep endoscopy), who have not responded adequately to CPAP. It requires a procedure with general anesthesia but is not the same magnitude of intervention as upper airway reconstructive surgery. The cost is covered by most major insurance plans for appropriate candidates.

Upper airway surgery

Surgical treatment of obstructive sleep apnea is appropriate for patients with specific anatomical contributors to their airway obstruction that are amenable to structural correction. Uvulopalatopharyngoplasty (UPPP), which removes excess tissue from the soft palate, uvula, and pharynx, is the most commonly performed sleep apnea surgery. Success rates — defined as AHI reduction to below 20 with at least a 50% improvement — range from 40 to 60% in carefully selected patients. Results are better in patients with specific anatomical presentations (tonsil hypertrophy, well-localized palatal obstruction) and worse in those with multilevel obstruction.

Maxillomandibular advancement (MMA), which surgically advances both the upper and lower jaw, is one of the most effective surgical options for sleep apnea, with success rates comparable to CPAP in appropriate patients. It is most effective in patients with retrognathic anatomy (recessed jaw) but is a significant surgical procedure requiring jaw repositioning, and is typically reserved for motivated patients who have failed or refused other treatments. Drug-induced sleep endoscopy (DISE) — a procedure in which the airway is evaluated during pharmacologically induced sleep — helps characterize the specific sites and patterns of obstruction and guides surgical planning.

Frequently Asked Questions

How do I know which sleep apnea treatment is right for me?

The right treatment depends on your apnea severity (mild, moderate, or severe), the anatomical contributors to your obstruction (evaluated by physical exam and possibly sleep endoscopy), your body weight and whether significant weight loss is feasible, your tolerance for different device types, and your personal preferences and lifestyle. A sleep medicine specialist can evaluate these factors and help determine the best approach for your specific situation. Many patients try more than one treatment over their lifetime as circumstances change.

What if I can't tolerate CPAP?

CPAP intolerance is common and frequently addressable rather than a reason to abandon treatment. Common issues — mask discomfort, claustrophobia, nasal congestion, pressure difficulty — have specific solutions: different mask types, lower starting pressure with ramp features, APAP rather than fixed-pressure CPAP, heated humidity, nasal treatment. Patients who try only one mask type or pressure setting and give up have often not yet found their optimal CPAP setup. For patients who genuinely cannot tolerate CPAP after thorough optimization, oral appliances, positional therapy (for positional OSA), Inspire therapy (for moderate-to-severe OSA), and weight loss are all viable alternatives.

Can sleep apnea be cured permanently?

For some patients, yes. Significant weight loss can resolve sleep apnea in obese patients — studies of bariatric surgery and GLP-1 medications show resolution or near-resolution in substantial proportions of treated patients. Adenotonsillectomy resolves sleep apnea in the majority of pediatric patients with tonsillar hypertrophy. Maxillomandibular advancement surgery can be curative in patients with retrognathic anatomy. For most adults with anatomically based moderate-to-severe sleep apnea, treatment controls rather than cures the condition. A repeat sleep study after significant weight loss or other major anatomical changes can assess whether ongoing treatment is still needed.

Does sleeping position really make a difference?

For positional OSA, yes — significantly. In patients whose apnea is predominantly supine-related, AHI can double or triple in the supine position compared with side sleeping. Sleeping on the side consistently is a simple, free, and immediately effective intervention for positional OSA. For non-positional OSA, position has less effect on AHI, though side sleeping generally produces slightly fewer apneas than back sleeping due to basic gravitational anatomy of the upper airway. A sleep study report typically includes separate AHI statistics for supine and non-supine positions — reviewing these can identify whether your apnea is positional.

How quickly does CPAP work?

On the first night of effective CPAP use, apneas are eliminated and oxygen saturation normalizes. The subjective experience of daytime improvement — more energy, clearer thinking, better mood — typically begins within the first one to two weeks of consistent use for most patients, though full recovery from months or years of sleep debt and cognitive impairment takes longer. The long-term cardiovascular and metabolic benefits accumulate gradually over months to years of consistent treatment. Some patients experience dramatic transformation within weeks; others notice more gradual improvement. Consistent use every night is the most important predictor of both short-term and long-term benefit.

Addressing the Insomnia That Often Accompanies Sleep Apnea

Many people with OSA develop conditioned insomnia alongside their breathing disorder — learned wakefulness that persists even after CPAP therapy begins, because the behavioral and cognitive patterns maintaining the insomnia are independent of the airway problem. CBT-I is the evidence-based treatment for this comorbid component and is fully compatible with concurrent CPAP use. Sleep Reset is a digital CBT-I program with personal coaching that can be started alongside OSA treatment, systematically addressing the sleep patterns that CPAP alone does not resolve.

Disclosure

Sleep Editorial is an independent publication. This article reflects the editorial team's independent assessment. Sleep Editorial does not provide medical advice; consult a qualified clinician for diagnosis and treatment.