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‘Night owls’ may have worse heart health — but why? Well, they smoked more, had poorer sleep, were less active, and had poorer dietary habits. So it may not be being a night owl that is the causative factor but what we already know to be harmful to health outcomes.
Medical Mythbusting Commentary for February 10, 2026 Source:‘Night owls’ may have worse heart health — but why? Reference:Chronotype, Life’s Essential 8, and Risk of Cardiovascular Disease: A Prospective Cohort Study in UK Biobank