Why we sleep worse when it's hot out and what we can do about it
Briefly

Equatorial nights increased fivefold in 2023 in Spain, impacting health with a 16% rise in respiratory and cardiovascular-related deaths when temperatures stay above 77F at night.
Higher temperatures globally lead to shorter, less efficient sleep, potentially costing us up to 58 hours of sleep a year by 2099, highlighting the threat climate change poses to human health and well-being.
Read at english.elpais.com
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