New research from UBC finds that after a night of shorter sleep, people react more emotionally to stressful events the next day — and they don’t find as much joy in the good things.

The study, led by health psychologist Nancy Sin, looks at how sleep affects our reaction to both stressful and positive events in daily life.

“When people experience something positive, such as getting a hug or spending time in nature, they typically feel happier that day,” says Nancy Sin, assistant professor in UBC’s department of psychology. “But we found that when a person sleeps less than their usual amount, they don’t have as much of a boost in positive emotions from their positive events.”



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