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NPR News: 07-18-2026 7PM EDT

July 18, 2026

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5 min read

"More than 10% of that sleep loss on hot nights is attributable to climate change." That finding, from lead scientist Christina Dahl, is one of the quieter but more consequential developments in today's news. The study shows that a hotter planet directly interferes with human sleep—even for people accustomed to warm weather. The "just right" nighttime temperature for sleeping is in the fifties (Fahrenheit). When it's hotter than that, people lose sleep, and on average, hot nights now cost about 56 hours of sleep per year. Dahl's conclusion is blunt: the best sleep aid is burning fewer fossil fuels.

U.S.-Iran Conflict Escalates After Deadly Attack on Jordan Base

The dominant story of the day is the sharp escalation between the United States and Iran. U.S. Central Command announced new airstrikes against Iran, launched to "swiftly punish the Revolutionary Guard" after a deadly attack on U.S. troops at a base in Jordan left two American service members dead. Four others were wounded, and one remains missing. The strikes also aim to further degrade Iran's ability to threaten commercial shipping in the Strait of Hormuz.

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What you'll learn

  • 1 (00:21) **U.S. Launches New Strikes on Iran** - US Central Command announces airstrikes to punish Iran's Revolutionary Guard after a deadly attack on a base in Jordan killed two U.S. troops.
  • 2 (01:29) **Details Emerge in ICE Officer-Involved Shootings** - Two men were killed by ICE officers in Texas and Maine while driving to work; ICE says neither was their intended target.
  • 3 (02:16) **Taylor Farms Recalls Iceberg Lettuce Over Cyclospora Outbreak** - Shredded iceberg lettuce sourced from Mexico is recalled from 27 states due to potential cyclospora contamination.
  • 4 (03:12) **Rescue Efforts Underway in China After Landslide** - At least eight people are dead and more than 30 are missing after a landslide in Southwestern China triggered by heavy rain.
  • 5 (03:34) **Study Links Climate Change to Sleep Loss** - New research finds that hotter nighttime temperatures, exacerbated by climate change, are costing people significant sleep.
  • 6 (04:30) **Men's World Cup Final Set for Tomorrow** - Spain and Argentina will compete for the title in New Jersey.
  • 7 Standout Quotes

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NPR News: 07-18-2026 7PM EDT

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