
15/08/2025
Brushing your teeth at night isn’t just about fresh breath it could be a matter of heart health. A 2023 study published in Scientific Reports analyzed data from 1,675 patients and found that those who skipped nighttime brushing were more likely to be hospitalized for serious cardiovascular conditions, including heart failure and arrhythmia.
The science behind it comes down to inflammation. When you don’t brush before bed, bacteria and plaque sit undisturbed in your mouth for hours.
This can lead to gum disease, which triggers systemic inflammation a process long linked to damage in blood vessels and the development of heart disease.
Morning brushing matters, but nighttime brushing is especially critical because it clears away the day’s buildup before bacteria multiply while you sleep. Experts say this simple habit could be a powerful, low-cost way to reduce your risk of cardiovascular problems over time.
Your toothbrush might just be one of the most underrated tools for protecting your heart.