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Why Do More Heart Attacks Seem To Happen On Mondays? Cardiologist Explains The ‘Monday Effect’
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News18•26-09-2026, 11:00
Monday Heart Attack Risk: Unraveling the "Monday Effect" on Cardiovascular Health
  • •Research indicates a higher incidence of severe heart attacks, particularly those involving complete coronary artery blockage, on Mondays, a phenomenon dubbed the "Monday effect."
  • •Dr. Hasmukh Gujar attributes this to a combination of natural morning physiological changes (increased blood pressure, heart rate, clotting activity) and the physical and emotional stress associated with the start of the work week.
  • •Weekend habits like late nights, less sleep, heavier meals, alcohol consumption, and sudden physical activity can contribute to fatigue, poor sleep, and stress by Monday morning, exacerbating heart strain.
  • •Anxiety about returning to work and pending responsibilities on Sunday night can negatively impact sleep quality and elevate stress hormone levels, further affecting heart health.
  • •Individuals with pre-existing cardiovascular risk factors such as high blood pressure, diabetes, high cholesterol, obesity, smoking, or a family history of heart problems are more vulnerable to the "Monday effect."

Key Questions Answered

Mondays coincide with work stress, packed schedules, and the physical and emotional transition from weekend habits. This combines with the body's natural morning increases in blood pressure, heart rate, and blood clotting activity to put extra strain on the heart.

Warning signs include chest pain or pressure, pain that spreads to the arm, neck, jaw, or back, shortness of breath, unusual sweating, nausea, dizziness, and extreme fatigue. While chest pain is most common, women and older adults may experience atypical symptoms.

The risk is generally higher for individuals who already have underlying heart disease or risk factors such as high blood pressure, diabetes, high cholesterol, obesity, smoking, or a strong family history of heart problems.