According to CNN, new research indicates that regularly staying up late may be linked to a higher risk of developing heart disease, adding to growing evidence that sleep timing plays an important role in long-term health.
The study found that people who consistently go to bed late tend to experience disruptions in their circadian rhythm, which can affect blood pressure, metabolism, and inflammation levels — all key factors related to cardiovascular health.
Researchers noted that late-night schedules are often associated with other lifestyle patterns, such as irregular eating habits, reduced physical activity, and shorter sleep duration, which together may compound heart-related risks.
Experts emphasized that the issue is not occasional late nights, but long-term patterns. Individuals whose natural schedules clash with work or social demands may experience chronic stress on the body, increasing strain on the heart over time.
The findings reinforce public health advice that prioritizes consistent sleep routines, suggesting that maintaining regular bedtimes may be as important as sleep duration when it comes to protecting heart health.