Going to bed is often seen as the safest part of the day. But for many people, nighttime can quietly become a period of increased strain on the body—especially the heart and brain.
Stories like that of Roberto, a 68-year-old man who appeared healthy and active but died in his sleep from a sudden heart attack, highlight a broader issue. While such cases can have multiple causes, certain nighttime habits may contribute to long-term cardiovascular stress without obvious warning signs.