UK heatwave triggers mass sleep deprivation, poll finds

The United Kingdom is grappling with a significant public health impact from extreme heat, as a new heatwave this week exacerbates widespread sleep deprivation caused by last month's record temperatures. A poll conducted by YouGov for Greenpeace reveals that two-thirds of people struggled to sleep during the June heatwave, with nearly half losing at least three hours of sleep per night during sweltering "tropical nights."

The current heatwave, the third of the summer, is expected to bring temperatures as high as 35 degrees Celsius in southern England by the end of the week. Amber heat-health alerts are in effect across southern England, East Anglia, and the Midlands, warning of increased risks to vulnerable populations. Forecasters note that overnight temperatures in the warmest areas may not fall below 20 degrees Celsius on Wednesday and Thursday nights, conditions that severely disrupt the body's natural cooling process needed for restful sleep.

The poll data paints a stark picture of the June event's broader effects. Eighty-six percent of respondents said their homes were too hot, a quarter reported that they or a household member felt physically unwell, and one in five...