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A study published in the European Heart Journal indicated that chronic sleep deprivation increases the risk of heart disease, high blood pressure, and arrhythmias. The results showed that sleeping for a duration of seven to eight hours daily is associated with better heart health and lower rates of heart attacks and strokes. Researchers confirmed that staying up in front of screens affects the body's biological clock and weakens the heart's ability to adapt to stress, necessitating the adoption of regular sleep habits. Doctors also emphasized that sleep is not a luxury but a biological necessity that is as important as nutrition and exercise. They recommended avoiding stimulants in the evening hours and ensuring a dark and quiet sleep environment to reduce stress levels and improve circulation. The study added that getting enough sleep is one of the most important factors for heart protection, alongside proper nutrition and physical activity.