Scientists say that if greenhouse gas emissions are not reduced, people around the world could lose an average of two weeks of sleep per year.
smart watches
For their research, they collected data on tens of thousands of smartwatches and bracelets from around the world. Scientists correlated times when users fell asleep and woke up with local weather reports. The bottom line: the warmer it is outside, the harder it is for people to fall asleep.
According to the researchers, this is because skin and body temperature become more sensitive to the ambient temperature during sleep.
Not everyone is equally bothered by the heat while sleeping. For example, the elderly have more problems because they sweat less to cool their bodies. As the world gets warmer, people in poorer countries, women and people in countries that are already warm will also feel the effects more strongly.
lack of sleep
Researchers already know that sleeping in a warm environment is difficult, but the effect of weather conditions on sleep has not yet been studied, they say. They warn that lack of sleep can cause a variety of physical and mental problems.
Source: RTL
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