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When the mouth remains open for extended periods, it can cause the airway to dry out, leading to cracked lips. This kind of sleeping causes saliva to evaporate which can result in morning bad breath.

If you have caught a cold or cough and are unable to breathe, it is normal to sleep with your mouth open for some time ... However, doing it while sleeping, doctors say, can lead to problems.

Mouth taping is a way to train your body to rely on nasal breathing while sleeping. The proponents of this method claim that it can reduce your snoring, as it can prevent air from escaping through ...