👄 Mouth taping & sleep — does it actually help? Mouth taping has gained attention as a sleep “hack,” but here’s what we know so far: 📉 Research is limited, especially on long-term effects. ✅ For some, it may help keep the mouth closed, encouraging nasal breathing. 🦷 It can also improve oral health by preventing dryness, reducing harmful bacteria, and lowering risks linked to oral breathing. ⚠️ But it’s not for everyone, and it should be approached cautiously — especially if you’re on CPAP the