A small strip of tape across the lips at bedtime, meant to force nasal breathing overnight. Claims: better sleep, less snoring, stronger jawline over years. Evidence: mixed. Adoption: shocking. Your cousin definitely has a drawer full.
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'Mouth tape' is the wellness practice of taping one's mouth shut at night to encourage nasal breathing during sleep, claimed by proponents to improve sleep quality, jawline definition, and reduce snoring. Some sleep doctors caution that it can be dangerous for people with undiagnosed sleep apnoea. If your teen wants to try mouth tape, encourage them to check with a doctor first. The trend is hugely popular on TikTok.
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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