The Claim

Chronic sleep disruption and insomnia independently increase cardiovascular disease risk via systemic inflammation, a mechanism that may confound observational associations between melatonin supplementation and adverse cardiac outcomes.

Source: Surprising Heart Results from This Huge Melatonin Study

What the research says

Not yet evaluated

We are still looking at what the research says.

Supports
0score
Challenges
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These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect
0 studies reviewed
In plain English

Long-term poor sleep and insomnia raise your chances of heart problems by triggering body-wide inflammation. This same inflammation might also mess up research trying to figure out if melatonin supplements are bad for your heart.

See the scientific wording

Chronic sleep disruption and insomnia independently increase the risk of cardiovascular disease through mechanisms such as systemic inflammation, which can confound observational studies linking melatonin use to adverse cardiac outcomes.

Score breakdown, mechanism chain, raw evidence, ideal studies needed

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.