Mr. Van, 52, experienced dull chest pain for over a month, leading doctors to diagnose a heart attack he was unaware of.

Controlling blood pressure and blood sugar, managing stress, and dedicating a few minutes to breathing exercises before sleep can help lower the risk of a heart attack.

Heart attacks occurring at midnight often manifest with symptoms such as chest discomfort, unusual sweating, and shortness of breath.

I have high blood pressure and during Tet, I often stay up late and drink a lot of alcohol, which sometimes causes chest tightness and shortness of breath. Are these warning signs of a heart attack? (Van Nam, 50, TP HCM)