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New study warns night owls have higher heart risk
Night owls face a 16% higher risk of heart attack or stroke and a 79% greater chance of poor heart health scores, with risks notably higher for women, researchers say.
- On January 28, 2026, researchers at Brigham and Women's Hospital and Harvard Medical School reported that evening chronotypes had a 79% higher likelihood of poor cardiovascular health, tracking over 300,000 adults in the UK Biobank.
- Because of circadian misalignment, evening chronotypes face added heart risk linked to lifestyle factors like nicotine use, insufficient sleep, and barriers to healthy eating, Sina Kianersi said.
- Using the AHA Life's Essential 8, researchers found about 8% classified as definitely evening people and night owls had a 16% greater risk of first heart attack or stroke over a median follow-up of about 14 years.
- Women showed a stronger link between evening preference and heart health, and targeted programs for night owls could help, with Sina Kianersi noting `The challenge is the mismatch between your internal clock and typical daily schedules that makes it harder to follow heart-healthy behaviours`.
- Given study limitations, chronotype was self-reported once and the UK Biobank sample was mostly white and healthier, but improving sleep, diet and smoking offers public-health opportunities.
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Burning the midnight oil might not just make mornings rough—it could also be tied to worse heart health, especially for women, according to a new study. Researchers analyzed data from nearly 323,000 adults in the UK Biobank and found that people who described themselves as "evening" types were...
·Miami, United States
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ABC FOX Montana+10 Reposted by 10 other sources
New study warns night owls have higher heart risk
People who stay up late and are active at night - particularly women - tend to have poor cardiovascular health.
·Missoula, United States
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Total News Sources49
Leaning Left18Leaning Right6Center10Last UpdatedBias Distribution53% Left
Bias Distribution
- 53% of the sources lean Left
53% Left
L 53%
C 29%
R 18%
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