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Hotter nights due to climate change will cost us sleep, study suggests

climate change and extreme weather events has been widely looked at regarding economic and other broad-scale health impacts. But a new study suggests it could also have a negative impact on daily human activities, such as our sleep.The study, which looked at data from people around the world, suggests that by the year 2099, "suboptimal temperatures" may reduce sleep by 50 to 58 hours per person each year. Take for example, if an adult gets an average of seven hours of sleep each night, that equates to about 2,555 hours of sleeping in the year.

Losing a potential 50 hours of sleep due to more extreme temperatures could shave about 2% off of total sleep time in the year.The study also found that the temperature effect on sleep loss is substantially larger for residents from lower-income countries, as well as in older adults and females."Our results indicate that sleep — an essential restorative process integral for human health and productivity — may be degraded by warmer temperatures," the study’s lead author, Kelton Minor of the University of Copenhagen, said in a statement. Minor said the study was the first "planetary-scale evidence" that warmer-than-average temperatures erode human sleep."We show that this erosion occurs primarily by delaying when people fall asleep and by advancing when they wake up during hot weather," the study author added.Time flies: Google Earth Timelapse feature shows your town change over 37 yearsThe researchers analyzed global sleep data from sleep-tracking wristbands. This included 7 million nightly sleep records from more than 47,000 adults across 68 countries spanning all continents except for Antarctica, the study said. The findings suggested that on very warm nights — greater than 30

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