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WASHINGTON – Lack of sleep makes people more likely to get angry and weakens their ability to cope with annoying noises, a recent US study warned.
The study was conducted by researchers from Iowa State University and published their findings in the latest issue of the Journal of the Experimental Science Journal.
The researchers explained that it was known that lack of sleep hours increased negative emotions, such as anxiety and sadness, and reduced positive emotions, such as happiness and anxiety. 39; enthusiasm. To explore the relationship between lack of sleep and increased anger, the researchers observed 200 university students.
The researchers divided the participants into two groups: the first maintained his daily routine of the number of hours of sleep, while the second group reduced the number of normal sleep hours from two hours to four hours per night, for two nights.
The first group slept an average of 7 hours per night on average, while the other group slept about 4 ½ hours per night.
Participants were tested for how responsive they were to uncomfortable and irritating conditions, such as noise and annoying noise, before and after class. The researchers found that the group, which slept about four and a half hours at night, increased their anger at disturbing noises.
"This study is the first of its kind to show that sleep loss causes anger," said Dr. Zlatan Krisan, who led the research team.
"In general, the anger was much stronger in those who slept less, no matter the noise and noise, like barking dogs and the like," Krissan said.
Studies have shown that a night's sleep deprivation compensated for the risks of a high-fat diet for six months for health, doubled the risk of diabetes, affected nerve cells in the brain and contributed to a decrease in cognitive performance.
In the same vein, studies have shown that having enough sleep at night, about 7 to 8 hours a day, improves the general health of the body and protects against diseases. In particular obesity and renal failure.
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