Why do you sleep with your mouth open? Understand mouth breathing causes, health risks, and how to fix it

Sleeping with your mouth open can lead to various health issues, including dry mouth, tooth decay, and sleep disruption. Nasal congestion, structural problems, and sleep apnea are common causes. Chronic mouth breathing may increase the risk of cardiovascular disease and developmental problems in children. Addressing nasal issues, using mouth tape, and myofunctional therapy can help.