The Melatonin Paradox: A Cautionary Tale of Sleep and Safety Long term melatonin use has been linked to a 90% higher risk of heart failure, according to recent research.
This finding has sent shockwaves through the medical community, raising questions about the safety of this popular sleep aid.
Researchers analyzed electronic health records from over 100,000 adults with chronic insomnia and found that those who took melatonin long term were more likely to develop heart problems than those who did not.