Too hot to sleep? Nights are warming faster than days as Earth heats up

Sleeping at the height of summer can sometimes feel impossible. And with gruelling heatwaves becoming more common, the nights can be sweltering, with no cooling breeze to relieve the discomfort. At least you can trust your senses – nights really are getting hotter

Weather stations usually record the day’s minimum temperature at or a little after dawn. At a few sites in the UK, records extend back 150 years or more. Allowing…

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