Evening habits that, according to a source, can influence cardiovascular health

A source in Vietnam reports that there are evening habits that may be harmful to the heart and blood vessels. It is unclear which activities are specifically meant and whether this is scientifically substantiated.
The source does not mention specific habits but advises avoiding certain things after 7:00 PM. It is unclear what the recommendations are based on.
The advice is vague and poorly substantiated. For reliable advice on cardiovascular health, it is advisable to consult medical sources.
This report is a summary based on the mentioned source and is not medical advice. In case of complaints, always consult a doctor or pharmacist.