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Mouth taping has evolved from a TikTok trend into a popular sleep hack: stars such as Katy Perry and professional footballer Erling Haaland have spoken publicly about taping their mouths shut at night. The idea behind it is that keeping your mouth closed is said to automatically encourage you to breathe more through your nose, thereby helping you sleep better, snore less and wake up feeling more refreshed in the morning. But as plausible as the principle may sound at first, are the promised benefits of mouth taping actually scientifically proven? And could taping your mouth shut whilst sleeping actually be dangerous?


In this article, you’ll find out what mouth taping really achieves, what the research says about it and what risks you should be aware of.