As summer temperatures soar, doctors are warning about the dangers of nighttime heat, which can increase the risk of stroke and heart attack. Many people underestimate the impact of elevated temperatures even after sunset, continuing to exert themselves without adequate cooling. Prolonged exposure to high nighttime temperatures can strain the cardiovascular system, particularly in vulnerable individuals. Experts recommend five strategies to mitigate these risks: staying hydrated, ensuring proper ventilation, avoiding strenuous activity at night, monitoring blood pressure, and recognizing early warning signs of heat-related illness. Promptly addressing these symptoms and seeking medical attention could prove vital. Individuals with pre-existing conditions should be especially cautious during periods of intense heat.