03/04/2026
Skipping brushing at night isn’t just a dental issue—it can affect your heart. A 2023 study in Scientific Reports analyzing 1,675 patients revealed that those who skipped nightly brushing had higher rates of hospitalization for heart failure and irregular heartbeat.
When teeth aren’t cleaned before sleep, bacteria multiply unchecked, fueling gum disease. This triggers inflammatory chemicals to enter the bloodstream, which over time can damage blood vessels, strain the heart, and elevate the risk of cardiovascular problems.
Brushing at night is more than just maintaining fresh breath. By removing daily plaque buildup, you reduce bacterial growth, calm gum inflammation, and protect your heart. Simple habits can have big benefits for your overall health.
Source: Isomura et al. (2023), Scientific Reports 13:10467 — DOI: 10.1038/s41598-023-37738-1