Updated October 7, 2026: revised to reflect current research on mouth taping.

Does mouth taping work? The research so far is limited and mixed. A 2025 systematic review of 10 studies found the evidence does not support mouth taping as a treatment for snoring or sleep apnea. Two small studies showed modest improvements in people with mild sleep apnea who breathe through their mouths. Mouth taping is best understood as a low-cost habit that keeps your mouth closed overnight. It may help some mouth breathers with dry mouth and snoring, and it is not a medical treatment.

Key takeaways

• What it is: a skin-safe strip over the lips at night to encourage breathing through your nose.
• Snoring: small studies in mouth breathers with mild sleep apnea found less snoring. Larger, controlled trials are needed.
• Sleep quality: there's no good evidence yet that mouth taping improves sleep quality or deep sleep in general.
• Dry mouth: the most plausible benefit. Mouth breathing during sleep dries the mouth, and keeping it closed may help.
• Safety: don't tape if you can't breathe easily through your nose or may have sleep apnea. Researchers flagged a risk of restricted breathing in people with nasal blockage.

What is mouth taping?

Mouth taping means placing a small, skin-safe adhesive strip over your lips before bed to encourage breathing through your nose while you sleep. The goal is to keep the mouth gently closed, not sealed. Some tapes, including Dryft Sleep Mouth Tape, have a small center vent so you can still breathe through your mouth if you need to.

Does mouth taping work? What the research shows

In 2025, researchers at Western University in Canada published a systematic review in PLOS ONE. They looked at 10 studies with 213 participants in total.

• Two studies found slight improvements in sleep apnea severity for people with mild obstructive sleep apnea.
• The other studies did not show that mouth taping effectively treats mouth breathing or sleep-disordered breathing.
• Several studies raised safety concerns for people with nasal obstruction, such as a deviated septum or chronic congestion.
• The authors concluded the evidence does not support mouth taping as a treatment for sleep-disordered breathing and called for better-designed studies.

The most encouraging study is a 2022 pilot of 20 mouth breathers with mild sleep apnea. Wearing mouth tape, participants snored less and had fewer breathing interruptions. The study had no control group, so it shows a signal worth testing, not proof.

Mouth taping claims vs. the evidence

Why nasal breathing matters

Your nose filters, warms and humidifies air before it reaches your lungs. The sinuses also produce nitric oxide, a molecule that helps blood vessels relax, and breathing through your nose carries some of it into your lungs. Mouth breathing bypasses this, and it dries out your mouth overnight.

That's the reasoning behind mouth taping: if you're a habitual mouth breather and your nose is clear, keeping your lips closed nudges you toward nasal breathing. What hasn't been shown yet is that taping translates into measurable health benefits for most people.

Potential benefits of mouth taping

1. Less dry mouth

Saliva flow drops during sleep, and breathing through your mouth dries it out further. A small study found mouth breathing during sleep made the mouth more acidic than nose breathing. Keeping your mouth closed is a reasonable way to limit overnight dryness. Many people notice this first, but it hasn't been measured in mouth taping studies.

2. Possibly less snoring

For people who snore because their mouth falls open, keeping it closed may reduce snoring. Small studies support this for mouth breathers with mild sleep apnea. If your snoring is loud or someone has noticed you stop breathing, see a doctor before trying tape.

3. Oral health support

Saliva neutralizes acid, helps protect tooth enamel and keeps bacteria in check. Dry mouth is linked to cavities, bad breath and gum problems. Limiting overnight mouth breathing may help, but brushing, flossing and dental visits are what's proven.

4. A more comfortable night for some people

If dry mouth or a sore throat wakes you up, keeping your mouth closed may help you sleep more comfortably. Research hasn't shown that mouth taping improves sleep quality in general.

Who should not use mouth tape?

Don't use mouth tape, or talk to a doctor first, if you:

• Can't breathe comfortably through your nose for several minutes with your mouth closed
• Have a deviated septum, nasal polyps, chronic congestion or allergies that block your nose
• Have a cold, sinus infection or anything else affecting nasal airflow
• Have, or might have, sleep apnea (loud snoring, gasping, pauses in breathing or daytime exhaustion)
• Have had alcohol or taken sedatives or sleep medication
• Are pregnant
• Have had recent facial surgery, or have skin irritation or open wounds near your mouth

Never use mouth tape on children unless a doctor advises it. Mouth tape is a wellness product, not a medical device or a treatment for any condition.

How to try mouth taping safely

1. Test your nose first. Close your mouth and breathe through your nose for a few minutes. If it's a struggle, don't tape.
2. Use tape made for skin. Household, masking and duct tape aren't designed for overnight skin contact. Dryft Sleep Mouth Tape uses a latex-free, hypoallergenic adhesive and has a center vent.
3. Apply it to clean, dry lips right before bed, after lip balm and skincare have absorbed.
4. Start small. Try it while reading in bed or for a nap before wearing it all night.
5. Stop if anything feels wrong. Remove the tape if you feel short of breath, anxious or wake up gasping, or if your skin gets irritated. Pulling it off in your sleep is common at first.

The bottom line

Mouth taping isn't a proven sleep treatment, and claims that it improves sleep quality, energy or heart health go beyond the research. For healthy adults who breathe easily through their nose and wake up with a dry mouth or snore with their mouth open, it's a low-cost habit that may help, and you'll know within a few nights whether it suits you. If you have symptoms of sleep apnea, see a doctor instead.

Dryft has been featured in Vogue, Elle (named "Best Material" in its mouth tape roundup), Women's Health, Harper's Bazaar and Brit + Co. Press coverage reflects editors' picks, not clinical testing.

For a full bedtime routine, the Dryft Sleep Essentials Kit pairs mouth tape with silicone earplugs, magnesium sleep spray and an eye mask in one travel case.

Shop Dryft Sleep Mouth Tape →

Frequently asked questions

Does mouth taping really work?

The evidence is limited. A 2025 review of 10 studies found it doesn't work as a treatment for sleep-disordered breathing, though two small studies showed modest improvements in mild sleep apnea. It may help some mouth breathers with dry mouth and snoring.

Does mouth taping help with snoring?

It may, for people who snore because their mouth falls open. Small studies in mouth breathers with mild sleep apnea found less snoring. It isn't a treatment for sleep apnea, so see a doctor if you snore loudly or someone has noticed you stop breathing.

Is mouth taping safe?

Safety hasn't been well studied. Researchers have flagged risks for people with nasal obstruction. If you're a healthy adult who breathes easily through your nose, a vented, skin-safe tape lowers the risk. Avoid it if you have congestion, suspected sleep apnea, or have had alcohol or sedatives.

Can I breathe through my mouth with mouth tape on?

With Dryft Sleep Mouth Tape, yes. The lip-shaped strip has a small center vent, so it encourages nasal breathing without fully sealing your mouth.

Is it safe to use mouth tape every night?

There's no research on long-term nightly use. If you use it regularly, stop if you notice skin irritation, breathing discomfort or worse sleep, and check with a doctor if you have any breathing or sleep concerns.

How fast will I notice a difference?

Research doesn't define a timeline. People often notice right away whether they wake up with less dry mouth. Give it a few nights to get used to the feel before deciding.

What kind of mouth tape should beginners use?

Choose a tape made for overnight skin contact, ideally lip-shaped with a gentle adhesive and a vent. Avoid household, masking or duct tape.

Sources

• Western University (senior author Brian Rotenberg). Systematic review of mouth taping and sleep-disordered breathing. PLOS ONE, May 2025. Summary
• Lee YC, et al. The impact of mouth-taping in mouth-breathers with mild obstructive sleep apnea: a preliminary study. Healthcare, 2022. Full text
• Choi JE, et al. Intraoral pH and temperature during sleep with and without mouth breathing. Journal of Oral Rehabilitation, 2016.
• Lundberg JO, et al. High nitric oxide production in human paranasal sinuses. Nature Medicine, 1995.

This article is for general information and isn't medical advice.