Heart Health: Long-Term Melatonin Use Linked to Cardiovascular Risk

Heart Health: Long-Term Melatonin Use Linked to Cardiovascular Risk

New research suggests that people with insomnia who use melatonin supplements for more than a year have a higher risk of heart failure than those who don’t use the popular sleep aid.

Researchers are reporting that long-term use of melatonin supplements may increase the risk of heart failure. In their study, the researchers said that people who used melatonin for more than a year were more likely to be diagnosed with heart failure, require hospitalization for that condition, or die from any cause.

Their research is being presented later this week at the American Heart Association’s Scientific Sessions 2025 meeting in New Orleans. The preliminary study has not yet been published in a peer-reviewed scientific journal.

No specific quotes available in the text.

Author's summary: Long-term melatonin use may increase heart failure risk.

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Healthline Healthline — 2025-11-04

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