SCIENCE
Long-term melatonin use linked to 90% higher heart failure risk
ScienceDailySaturday, August 29, 2026 at 10:52 AM
RedScroll Brief

People with chronic insomnia who used melatonin long term had a roughly 90% higher risk of developing heart failure over five years, according to a large preliminary study.
RedScroll Signal
- Impact
- High
- Category
- Science
- Market relevance
- None
- Why it matters
- Scientific signal separates durable discovery from noise — and often foreshadows policy and product. People with chronic insomnia who used melatonin long term had a roughly 90% higher risk of developing heart failure over five years, according to a large preliminary study.
Desk copy
RedScroll Briefing
Extractive editorial brief — not a reprint of the original
What happened
People with chronic insomnia who used melatonin long term had a roughly 90% higher risk of developing heart failure over five years, according to a large preliminary study.
Why it matters
Scientific signal separates durable discovery from noise — and often foreshadows policy and product.
Background
ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.
Timeline
ScienceDaily published: Long-term melatonin use linked to 90% higher heart failure risk
Story is in today’s RedScroll edition. Follow the original source for updates.
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Source
ScienceDaily
Original reporting by ScienceDaily. RedScroll provides an extractive briefing only.