# Long-term melatonin use linked to 90% higher heart failure risk

> **Newsylist Open Intelligence Dossier** · First detected: 2026-09-01 20:29 UTC · Category: Health · Sources: 5 · Current Velocity: 2.8

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| savingadvice.com | Taking Melatonin Every Night? Sleep Experts Say There’s Something You Should Know | 2026-08-29 11:13 | [Source Link](https://news.google.com/rss/articles/CBMi2gFBVV95cUxNS0Zab1VBUXBRNW1NQXl3LTFncmdWa0Y0enlSdG9QdU1NZkFwX1ExSGVyNmFoOHYwU1lBbWgtYUVqRk8wTDJzc2xSeG45SFJHNkdDeWtjWE40SWNLd01sTDJpNnJtNm0tOWpvRkxTSENIZHU5MXJyazl4eGNLQm1pcUZzNDloemprRG9RaEp2YWF5VjFoMEhtekRXSjRkeW9ua253MWlMWERoZWxGSExuNUJYd2N6ekt1Mm9YNThHa2g1a1UzblFGeTVzNzVRMFlfOHEwUHlBMWZNQQ?oc=5) |
| Health and Me | Melatonin Or Insomnia? Scientists Question 90% Higher Heart Failure Risk Linked To Long-Term Use Of The Supplement | 2026-08-29 11:13 | [Source Link](https://news.google.com/rss/articles/CBMi_wFBVV95cUxQQlpGamd0VzFac2tyUUhVcEJHcXRLbV85ajNiTFcxT3poT0xqYUw5Ynk0ZHVUTU5GTmZ3cElEQmw2Z2VTSHVEcHJ3R3hTMDY0TDh1czREUlg1c0ZwLUpRaF92RU5HS1J6UWRnQ3owQnd5VUVRa3VMWXZRZjVVX2lDRlJnWHdBV2lWMDFVSy1UY2szWHMwcmtlUzFDQlRDRGZLbVFMR2VJRU94dXRrc2V0SUg1VjF3cURVT2ktQWhpbnROTVRza1dDU2ctd1hRdHhONGRJYnFRY1JUcVBxaUlEYUVTR2o5aHVTYy10NXZPcUNmQ0YxSFNxd1duanpxLUk?oc=5) |
| News18 | Taking Melatonin Every Night? You Might Have A 90% Higher Risk Of Heart Failure, According To New Study | 2026-08-29 11:13 | [Source Link](https://news.google.com/rss/articles/CBMi-gFBVV95cUxOd2FObl9VRl94UV9RS0Uyem9lMG1iQlRTUGQ4TVdJTC15U0tmTFlsYlBhZk5RNmZvc2YyRlZTRy1fc3dDRTdjOWtrWUtPREpseG5RZ2dCa3lQYkswd1lfV1pHRWFDWUwtVHVQZnVOZXV3OHUtUjRQWUIzai1ULXdjYWp6TGsyUDV1eXlHVmdsdTFHSlhHX0ZHRjRWXzJKMy1yV1M5UWRCTm1IWXJrYnJXd001dXA2TmY4Wm50Ti1Ya2N4LU9zQVR0czQ4MmI3Y1Fuc0dsdWliVWFiS1pZWGVWbFlGcHA1emI1ZzgtMi1KbXZFMUVsSFcxeFR3?oc=5) |
| Elko Daily Free Press | Hanington: Bad news for melatonin? | 2026-08-29 11:13 | [Source Link](https://news.google.com/rss/articles/CBMikwFBVV95cUxOc3dMWVl4ekdleFRPaWkxZXJJckhCcDhSR2h2aUZtTmU0MkN2bHIyeVRFMHZ6X3lPajFEUEJSM0g2QmdSX291VEs1X3FNbEplajRnUjRUVHlua0ZjS0JLcUllTFFEeWo5dzJjV2FCZmd2NkdsVmFQeWVRbzV6ZlpKbVNvclBfNEI2cFdoSzZwajRxaDQ?oc=5) |
| Science Daily | Long-term melatonin use linked to 90% higher heart failure risk | 2026-08-29 11:13 | [Source Link](https://news.google.com/rss/articles/CBMib0FVX3lxTE4xM1BPUFk0QklyUTBQbEZLaExpSlpxUndPWlo4bzFLd1FSOUdWU1Y0MjM3VFIyWFZrVWNTNV9PR1VJUWFZNDhqUjBTMkpVSnJraGUwWGNqRkpnYV9mWnNXcVlSVDZIYnlXUVJRUWZRbw?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-09-01/long-term-melatonin-use-linked-to-90-higher-heart-failure-risk*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*