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The Wesper Journal

Wesper Journal: Blog

Research, case studies and insight on sleep apnea and sleep health.

Helix Wesper: A Data Analysis of a Mattress and Sleep Quality Study

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The Dangers of Untreated Sleep Apnea

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Explanation of sleep and respiratory metrics

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Repeat, Longitudinal Sleep Testing In A Diverse Population Demonstrates Large Night-To-Night Variability In Sleep Apnea Severity

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Patient Uses Wesper to Evaluate Multiple Therapies for Sleep Apnea

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Home Sleep Tests and the Challenge of Detecting Sleep Apnea in AFib Patients

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Snoring and Breathing Quality: Insights from a Wesper User Population

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Ozempic for Obstructive Sleep Apnea: A New Solution?

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The Wesper Guide: Our Sleep & Respiratory Metrics

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Night-to-Night Variability in Home Testing for Sleep Apnea

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Comorbid Insomnia and Sleep Apnea: How Sleep Apnea Severity Affects Sleep Maintenance

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Comparing CPAP-Reported AHI With Wesper Home Sleep Test Results

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Wesper Weekly

Research, releases and sleep medicine news, once a week.

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Wesper Lab (K203343) and Wesper Lite, powered by Cassie (K252628), are FDA-cleared. Indicated for adult use only.

Citations

95%+ AHI correlation to PSG: Sleep Medicine 2025; JCSM 2023. Wesper Lite: Cassie (K252628), the engine behind Wesper Lite. FDA 510(k) summary: multi-site retrospective validation in 474 independent test subjects from the National Sleep Research Resource; AHI Pearson r = 0.96 (95% CI 0.95 to 0.96) vs. polysomnography. FDA record

Wesper Lab validation: Raphelson, J., Ahmed, I., Ancoli-Israel, S. et al. Evaluation of a novel device to assess obstructive sleep apnea and body position. J Clin Sleep Med 19, 1643-1649 (2023). doi.org/10.5664/jcsm.10644

Automatic scoring vs. provider manual scoring (r = 0.98): Sleep Medicine 2026.

99%+ patient success rate and under 5 days from order to successful test: Wesper, Q3 2026.

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The Wesper Journal | Sleep Apnea Research and Guidance
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