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Do optimistic people sleep better?

Analysis by Dr. Joseph Mercola Fact Checked

do optimistic people sleep better

Story at-a-glance -

  • In a study of 3,548 people, those who were the most optimistic enjoyed higher quality sleep
  • Optimism was significantly associated with better sleep, with each standard deviation increase in optimism score linked to a 78% increased likelihood of reporting very good sleep quality
  • Those with greater optimism scores were also 74% more likely to have no symptoms of insomnia, had less daytime sleepiness and were more likely to get adequate sleep — sleeping for six to nine hours a night
  • Optimism may lead to better sleep by buffering the effects of stress, leading to better coping mechanisms
  • It’s possible that optimists may spend less time lying in bed with their mind racing, allowing them to drift off easier

Optimism is associated with greater physical and mental health, and one reason why could be linked to its role in promoting better sleep. In a study of 3,548 people, those who were the most optimistic enjoyed higher quality sleep, hinting at the importance of a positive outlook in getting a good night’s rest.

While the reason why optimism leads to better sleep wasn’t revealed by this study, the researchers, from the University of Illinois, suggested it could be due to buffering the effects of stress, leading to better coping mechanisms. In other words, optimists may spend less time lying in bed with their mind racing, allowing them to drift off easier.


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