Home sleep testing has come a long way over the past decade. The industry has moved beyond simply asking whether a patient can be tested at home. Today, the conversation centers around how effectively, accurately, comfortably, and efficiently that testing can be performed.
After more than 16 years in the sleep industry—from my time as national director at Watermark Medical to later serving as vice president at SleepImage and now as chief operating officer of iSleep Physicians, I have had a front-row seat to the evolution of home sleep testing.
When I entered the field, many HSTs felt more like engineering projects than patient-friendly diagnostic tools. Patients were handed a device with multiple wires, sensors, belts, and a lengthy instruction manual, then sent home with a sincere “good luck.” Fast forward to today, and we have rings, contactless sensors, AI-driven analytics, software-as-a-medical-device platforms, and devices so small that patients sometimes forget they’re wearing them. The innovation has been remarkable. Yet despite the tremendous progress, one challenge remains constant: Selecting the right HST solution can be overwhelming.
For physicians, sleep lab managers, and dentists evaluating HST options, the marketplace has never offered more choices. The goal is not necessarily to find the “best” device, but rather to understand which features matter most for your patient population, workflow, reimbursement strategy, and clinical objectives.
Whether you’re purchasing your first HST platform or reevaluating your current technology, here are eight things worth considering before making your decision.
Know What Each HST Measures
One of the biggest misconceptions in sleep medicine is that all HSTs perform the same function. While most devices aim to identify sleep-disordered breathing, they do so using very different technologies and physiologic signals. Some systems rely on airflow, respiratory effort, and pulse oximetry. Others use peripheral arterial tone, ECG-derived metrics, photoplethysmography (PPG), actigraphy, respiratory acoustics, or combinations of these signals.1
The number of channels collected often varies significantly between devices. Traditional Type III systems may collect four or more physiologic channels, while newer technologies use proprietary algorithms and alternative physiologic signals to derive equivalent clinical information.2 A device with more channels does not automatically mean better results. However, physicians should unders
tand exactly what physiologic data a device is collecting and how that information is being translated into diagnostic outcomes.
Consider the Value of Multi-Night Testing
The data collected is only part of the equation. Clinicians should also consider how much data is collected and whether a device captures a single night or multiple nights of sleep.
Sleep is highly variable from night to night. Alcohol consumption, body position, medication use, nasal congestion, sleep deprivation, and other factors can significantly influence apnea severity.3 Historically, most HSTs captured a single night of data. Today, several technologies offer multi-night testing capabilities.
The concept is straightforward: Capturing more nights may provide a more representative picture of a patient’s true sleep-disordered breathing burden. Research has demonstrated substantial night-to-night variability in OSA severity, with some patients crossing diagnostic thresholds depending on the night tested.4 For clinicians evaluating HST options, it’s worth considering whether a device offers single-night or multi-night capabilities and how that aligns with the patient population being served.
Evaluate Obstructive vs. Central Sleep Apnea Detection
A device’s ability to differentiate obstructive events from central events is another critical consideration when choosing an HST. While OSA remains the most common sleep-related breathing disorder, central sleep apnea (CSA) carries significant clinical implications, particularly among patients with heart failure, atrial fibrillation, opioid use, neurological disorders, and complex sleep apnea syndromes.5
Not all HST technologies have the same capability when it comes to identifying or classifying central events. Some systems provide robust differentiation, while others may be limited in this regard. Understanding these capabilities becomes particularly important when testing higher-risk populations where CSA may influence management decisions.
Don’t Overlook the Importance of Positional Information
Body position remains one of the most underappreciated variables in sleep diagnostics. Many patients experience dramatically worse apnea when sleeping supine compared to lateral positions. Studies estimate that positional OSA may affect more than half of OSA patients.6
Some HSTs provide detailed positional analysis, while others offer minimal or no positional reporting. For clinicians considering positional therapy, oral appliance therapy, or targeted treatment strategies, positional data can provide valuable context beyond the AHI alone.
Understand Why 3% vs. 4% Desaturation Matters
Reporting methodologies can also vary significantly between platforms. One topic that continues to generate confusion is whether a device reports respiratory events using a 3% or 4% oxygen desaturation threshold. This distinction has important implications for reimbursement and diagnosis. Medicare generally requires a 4% oxygen desaturation criterion when calculating AHI for positive airway pressure qualification, whereas many commercial payers and clinical studies use a 3% desaturation threshold.7
Devices that offer the flexibility to report both metrics may provide clinicians with additional options when navigating varying payer requirements. Before selecting a device, physicians and dentists should understand how respiratory events are scored and whether reporting can accommodate different reimbursement environments.
Prioritize the Patient Experience
The most accurate test in the world provides little value if patients fail to complete it correctly. Patient compliance and successful data acquisition have become increasingly important considerations as health care systems focus on efficiency and scalability.
Today’s market includes a wide range of form factors, including chest-worn sensors, finger probes, wrist devices, rings, adhesive patches, and near-contactless monitoring systems. Each offers unique advantages and challenges. Questions worth asking include:
- How easy is the setup process?
- What percentage of studies require repeat testing?
- How much patient education does it need?
- How often are technical failures encountered?
The answers may ultimately affect workflow efficiency as much as diagnostic performance.
Weigh the Pros and Cons of Disposable and Reusable Systems
Financial considerations need to be taken into account, too. Operational costs frequently extend beyond the initial purchase price. Some HST platforms utilize reusable hardware that’s redeployed across multiple patients. Others employ disposable sensors or entirely disposable systems.
Reusable systems may reduce per-study costs but introduce logistical considerations such as cleaning, shipping, inventory management, and loss prevention. Disposable systems may simplify operations but increase consumable expenses over time. The appropriate model often depends on patient volume, geographic distribution, staffing resources, and overall operational goals.
Think About the Report, Not Just the Product
After spending years working with sleep physicians, one lesson has become increasingly clear: The sleep study report often matters as much as the hardware itself.
A well-designed report should be intuitive, clinically actionable, and easy to interpret. It should present key metrics clearly while allowing physicians to efficiently review raw data and validate findings when necessary.
The most sophisticated technology in the world loses value if clinicians struggle to interpret the results or explain them to patients. As AI continues to reshape sleep diagnostics, report design and data presentation will likely become even more important components of the diagnostic experience.
Final Thoughts
Innovation in sleep diagnostics continues to accelerate. The challenge is no longer finding a home sleep testing option—it is understanding which questions to ask before making a decision. And after 16 years in this industry, I can confidently say that asking the right questions remains far more important than chasing the newest device.
The most valuable question is not “Which platform is best?” but rather “Which platform is best for us?” Starting with that question can help practices make more informed decisions and build stronger sleep programs for years to come.
For physicians, sleep lab managers, and dentists evaluating HST options, there is no universal solution that fits every practice. The success of an HST program depends less on the device itself and more on how well that technology fits the needs of the patients and providers using it.
And while clinical performance remains critical, so do the economics. Device pricing, disposable versus reusable models, reimbursement pathways, and long-term operational costs all play an important role in determining whether a solution is truly sustainable for a practice.
As the number of available technologies continues to grow, so does the importance of education and informed decision-making. Clinicians who take the time to understand the nuances of device capabilities, reimbursement considerations, patient experience, and diagnostic limitations are ultimately better positioned to build successful sleep programs and deliver better patient outcomes.
If this article leaves you with more questions than answers, that’s not necessarily a bad thing. The most successful organizations are often the ones willing to ask questions, challenge assumptions, and seek guidance before making major investments. I always welcome conversations with physicians, dentists, and health care leaders who are exploring home sleep testing and looking to better understand the evolving diagnostic landscape.
The future of sleep medicine has never been more accessible—and the opportunities to improve patient care have never been greater.
The good news is there has never been a better time to offer home sleep testing. The “bad” news? Your list of options just got a lot longer.
Source: SleepWorld Magazine July/August 2026
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Fatima Denney is chief operational officer and executive vice president of iSleep Physicians, which offers specialized sleep consultations and comprehensive sleep testing interpretations with personalized care across all 50 states in the U.S. |
References
- Kapur VK, Auckley DH, Chowdhuri S, et al. Clinical practice guideline for diagnostic testing for adult obstructive sleep apnea: An American Academy of Sleep Medicine clinical practice guideline. J of Clin Sleep Med. 2017;13(3):479-504.
- American Academy of Sleep Medicine. The AASM Manual for the Scoring of Sleep and Associated Events. Version 3.0. American Academy of Sleep Medicine; 2023.
- Le Bon O, Hoffmann G, Tecco J, et al. Mild to moderate sleep respiratory events: One negative night may not be enough. Chest. 2000;118(2):353-9.
- Punjabi NM, Patil S, Crainiceanu C, Aurora RN. Variability and misclassification of sleep apnea severity based on multi-night testing. Chest. 2020;158(1):365-373.
- Javaheri S, Barbé F, Campos-Rodriguez F, et al. Sleep apnea: Types, mechanisms, and clinical cardiovascular consequences. J Am Coll Cardiol. 2017;69(7):841-858.
- Heinzer R, Petitpierre NJ, Marti-Soler H, Haba-Rubio J. Prevalence and characteristics of positional sleep apnea in the HypnoLaus population-based cohort. Sleep Med. 2018;48:157-162.
- Centers for Medicare & Medicaid Services. National Coverage Determination (NCD) for Continuous Positive Airway Pressure Therapy (CPAP) for Obstructive Sleep Apnea (OSA) (240.4). Centers for Medicare & Medicaid Services. Accessed June 6, 2026. https://cms.gov/medicare-coverage-database/view/ncd.aspx?ncdid=226
