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Detecting Subclinical Sleep Apnea with Medical-Grade Home Testing

Summary Subclinical sleep apnea represents the often-overlooked middle ground between benign snoring and clinically diagnosed obstructive sleep apnea (OSA). Though these patients may not meet the standard AHI ≥ 5 threshold, they frequently experience measurable physiological disruptions — including flow-limited breathing, mild oxygen desaturations, and fragmented sleep. These subtle patterns contribute to increased cardiovascular strain, metabolic dysregulation, and cognitive impairment long before overt disease appears. Traditional single-night polysomnography often misses these early deviations, leaving at-risk patients undiagnosed until symptoms or comorbidities worsen. Advancements in medical-grade home sleep testing (HSAT) are changing that trajectory. By capturing true respiratory effort, oxygenation, and...

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