Hot nights during heatwaves quietly raise death risk from stroke and heart conditions

Your body keeps overheating even after sunset

As India’s heatwaves persist, health experts warn that the danger doesn’t end when the sun sets. Hot nights prevent the body from cooling and recovering, worsening stress, disrupting sleep, and increasing dehydration and heat illness risk. NIH-cited research finds night-time heat independently raises death risk, especially from stroke and heart conditions, with even greater danger when hot days follow warm nights.