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The study is one of the first to show that lack of sleep can lead to feelings of anger, with previous research revealing a link, but not establishing a cause-and-effect relationship, according to the researchers. Sleep loss has also been linked to an increase in negative emotions, such as anxiety and sadness, and to a decrease in positive emotions, such as happiness and enthusiasm.
"In general, anger was significantly stronger in people with sleep disorders," said Krizan. "We manipulated how annoying the noise was during the task and, as expected, people reported more anger when the noise was more unpleasant.When sleep was restricted, people reported even more anger, whatever either the noise. "
"Despite the usual tendency to get used to the irritating conditions – an uncomfortable shirt or a barking dog – people with sleep disorders actually showed a tendency to anger and distress, reversing essentially their ability to adapt to frustrating conditions, this before. "
Preliminary results from another study conducted by the team also suggest that laboratory experiments could also apply to real life, as researchers discovered that students participating in the research also reported consistently more anger than usual on the days when they slept more. private.
Researchers are now starting to collect data to determine if sleep loss could even lead to aggressive behavior toward others.
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