Night-to-Night Variability in Sleep Apnea: What 1,184 Home Sleep Tests Show
In a Wesper study of 149 adults and 1,184 home sleep tests, most patients changed sleep apnea severity category from night to...
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Case studies and analysis from clinical practice.
Case studies, scoring research and analysis of where sleep medicine is heading.
Home Sleep Testing and the Sleep Access Gap in America
We looked at 57,034 Wesper Lab home sleep test orders across all 50 states. Small towns with healthcare shortages tested more, patients...
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Two Home Sleep Tests, Zero Data, and Still No Diagnosis
An illustrative patient example of two failed home sleep tests, what research shows about how often home tests fail, and what helps...
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Channels, Parameter Categories, and Why Richer Sleep Data Matters in 2027
The CY2027 proposal classifies sleep study complexity by the number of channels and parameter categories a study captures. Multi-signal data also helps...
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2027 Sleep Testing CPT Codes: The Complete Guide to the New Complexity-Based System
For CY 2027, CMS has proposed replacing three unattended sleep study CPT codes with six complexity-based codes split into technical and professional...
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Why Is My Partner Snoring? It Might Be More Than Annoying
Habitual snoring affects roughly 29 to 30% of adults and can be an early sign of obstructive sleep apnea. This article covers...
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Provider-Specific Optimization Improves Wesper Lab Automated Scoring Accuracy
In a study of 11 providers, tuning the Wesper Lab automatic scoring algorithm to each provider's scoring patterns improved agreement with provider-scored...
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Can Weekend Catch-Up Sleep Protect Your Metabolic Health? What the Research Shows
A BMJ study of more than 23,000 adults found a metabolic sweet spot near 7.3 hours of weekday sleep. Modest weekend catch-up...
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Beyond AHI: What New Research Says About Sleep Apnea and Brain Health
A 7-Tesla MRI study found that time spent below 90% oxygen (T90) was associated with brain structure in older adults, while AHI...
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A Pill for Sleep Apnea? Inside the Push Toward Personalized Treatment
Sulthiame is an investigational oral medication that targets breathing control during sleep. This article reviews the FLOW trial, who might benefit, and...
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How Wesper Improved the Diagnostic Process in a Patient With Suspected Sleep Apnea
A patient diagnosed with mild sleep apnea after one night of testing averaged severe AHI across 17 nights of Wesper home testing,...
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How a Regional Hospital Expanded Home Sleep Testing With Wesper
A regional hospital sleep program moved to drop-ship home sleep testing with Wesper. The team reported higher monthly patient volume, a wait...
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One Goal, Many Methods: Understanding Accuracy Differences in HSAT
Home sleep apnea tests derive AHI from different physiologic signals. This article explains how direct respiratory sensing and biosignal-based systems differ, and...
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Does the 4% Hypopnea Rule Limit Sleep Apnea Diagnosis in Women?
A 2025 analysis of 1,354 adults found women had significantly lower odds of meeting the 4% hypopnea rule, while no racial differences...
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How Sleep Loss May Disrupt Brain Wiring: A Critical Look at New Myelin Research
A PNAS study in rodents links sleep loss to thinner myelin and slower neural signaling through disrupted cholesterol handling. This review covers...
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Hypoxia-Dominant Positional Sleep Apnea in Bariatric Patients: A Distinct and Underrecognized Phenotype
Wesper analyzed 4,141 home sleep tests from 2,500 bariatric patients. Positional hypoxic burden without AHI-based positional OSA appeared in 19.0% of patients,...
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