- A new meta-analysis of 21 studies involving more than 2 million people analyzes how insomnia impacts heart disease risk.
- The researchers compared data between healthy individuals without insomnia and people with insomnia.
- The results show that people with insomnia had a higher risk of cardiovascular events, including myocardial infarctions and cardiovascular death.
- Additionally, all-cause mortality related to insomnia showed a 14% higher risk than healthy individuals.
Most people have had trouble sleeping at some point, whether due to stress or medical conditions.
When someone regularly has difficulty falling asleep or getting a full night’s rest, this is called insomnia.
According to the
Some past research points to insomnia increasing the risk of cardiovascular disease (CVD), while other studies indicate no connection.
These contradictory findings were the impetus for a new meta-analysis that sought to determine whether insomnia impacts the heart and to what degree.
The study appears in
While some studies analyze possible associations between insomnia and heart conditions, the present study’s authors noted that the studies are contradictory.
The researchers said older studies tended to show a connection between insomnia and heart issues, while newer studies showed “no significant association.”
Additionally, they note, “data incorporating recent clinical studies evaluating these outcomes is scarce.”
With this in mind, they scoured medical databases to compile a comprehensive meta-analysis to see if data from the past 20 years may point toward a link between insomnia and cardiovascular conditions.
The researchers used data from 21 studies that included approximately 389,000 individuals with insomnia and more than 2 million…
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