Rising Temperatures Associated with Increasing Severity of Obstructive Sleep Apnea
- Researchers led by Bastien Lechat analyzed over 116,000 participants' sleep data from January 2020 to September 2023 using under-mattress sensors worldwide.
- The study investigated the largely unexplored link between rising ambient temperatures and obstructive sleep apnea severity, matched with climate model temperatures.
- Findings showed a 45% increase in the likelihood of OSA episodes on warmer nights, with greater heat sensitivity in Europe than in the US and Australia.
- Lechat expressed astonishment at how strongly ambient temperature impacts the severity of OSA, emphasizing climate change as a significant health concern.
- Results imply that unless global warming is limited, the societal burden of OSA could rise 1.5- to 3-fold by 2100, emphasizing urgent public health intervention needs.
12 Articles
12 Articles


Climate Change Is Worsening Sleep Apnea
We all have cause to take climate change personally. Not only do higher temperatures lead to such mega-events as droughts, heat waves, wildfires, and floods, they also affect human health—exacerbating asthma, allergies, cardiovascular disease, the spread of water-borne pathogens, and more. Now, it appears that a warming world affects us in one other, potentially life-threatening way. That’s according to a new, yet-to-be-peer-reviewed paper prese…
Climate change increases severity of obstructive sleep apnea
Rising temperatures increase the severity of obstructive sleep apnea (OSA), according to a large new study published at the ATS 2025 International Conference. The study also found that, under the most likely climate change scenarios, the societal burden of OSA is expected to double in most countries over the next 75 years.
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