Heart attacks and the holidays

By Georgette Gouveia, Dec 22, 2025

A new study recently made headlines indicating that regular melatonin use was linked to nearly double the risk of heart failure over five years in a large observational cohort (American Heart Association). The authors acknowledge they don’t know if melatonin is the culprit – or if it’s simply a marker of poor sleep. According to Alex Dimitriu, M.D., founder of Menlo Park Psychiatry & Sleep Medicine, https://www.siliconpsych.com/   “we are missing the real story here. Whether melatonin is harmful or not, poor sleep is harmful to heart health, and there is overwhelming evidence to support that. “The conversation we should be having isn’t about melatonin; it should be about the massive and underestimated cardiac impact of chronic sleep loss, of which we are all subject.”

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