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Heatwaves Surge Sleep Apnea Cases, Study Warns

2/4/2026

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Summary

Story summary

A study found sleep apnea events rose 13% during heatwaves, with a 1.1% rise per 1°C.
In late January, Adelaide recorded its hottest night at 34.1°C, highlighting local heat exposure.
Heat is linked to increased hospitalization risks, including sleep apnea, which affects about a billion people globally.
The research projects a rise in sleep apnea prevalence by 2100, disproportionately affecting low-income populations.

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Story summary

A study found sleep apnea events rose 13% during heatwaves, with a 1.1% rise per 1°C.
In late January, Adelaide recorded its hottest night at 34.1°C, highlighting local heat exposure.
Heat is linked to increased hospitalization risks, including sleep apnea, which affects about a billion people globally.
The research projects a rise in sleep apnea prevalence by 2100, disproportionately affecting low-income populations.