Late-Night Habits Increase Heart Disease Risk, Harvard Study Finds

Night owls' habits linked to worse heart health - Harvard Health

Harvard Health2026.03.27Updated 9d ago

Compared to people who have moderate sleep-and-wake patterns, night owls may be more likely to have unhealthy habits that put their heart health at risk, according to a 2026 study....

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Harvard researchers found that night owls face significantly higher cardiovascular risk compared to moderate sleepers. The 2026 study links late-night activity patterns to unhealthy behaviors that compromise heart health. Findings suggest chronotype may be an important factor in predicting heart disease risk.

Key topics:harvard health night owls sleep patterns heart disease cardiovascular health

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