• A new study focuses on the health impacts of being more active in the evening and going to bed later. In other words, a ‘night owl.’
• Focusing on heart health, the authors conclude that, compared with non-night owls, they have an increased risk of cardiovascular disease.
• The authors also drill down into the lifestyle factors that drive this increase in risk.

Written by Tim Newman on January 28, 2026 — Fact checked by Kevin Cyr, MD

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