Late sleepers have higher heart risk, and it's mostly preventable
Teona Gherasim
By Dr. Liji Thomas, MD Reviewed by Benedette Cuffari, M.Sc. Feb 9 2026 People who stay up late may face higher cardiovascular risk. However, this large UK study shows that healthier sleep, smoking habits, and metabolic control could offset much of that danger. Study: Chronotype, Life’s Essential 8, and Risk of Cardiovascular Disease: A Prospective Cohort Study in UK Biobank. Image Credit: PeopleImages / Shutterstock.com A recent study published in the Journal of the American Heart Association (
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