
Morning Rush: Why Heart Attacks Happen More Often at Daybreak
Cardiologists say heart attacks are most common in the morning (roughly 6 a.m.–noon) due to circadian-related adrenaline and cortisol surges that raise blood pressure, though they can occur anytime; women may have different accompanying symptoms; to lower risk, maintain a consistent sleep routine, limit morning caffeine/exercise, manage stress, and adopt heart‑healthy habits (no tobacco, balanced diet, regular exercise) with regular medical checkups.










