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The Joyful Exhale vs. mouth taping
Mouth taping is tape across the lips at night to force nasal breathing. The idea underneath it, that the nose is the right place to breathe, is one I share. The practice itself has a few tiny studies and one real hazard, which is that it can hide sleep apnea. My book gets you into the nose by day without putting anything on your face at night.
| Mouth taping | The Joyful Exhale | |
|---|---|---|
| Goal | Force nasal breathing in sleep | Build nasal breathing as a habit |
| Method | Tape at night | Attention and practice by day |
| Evidence | A few very small studies | Nasal physiology: solid; practice: craft |
| Risk | Can mask sleep apnea | None |
| Best for | Clear-nosed light snorers, after screening | Everyone, including the people who should not tape |
What mouth taping is
A strip of porous tape, or a purpose-made patch, is placed over the lips before sleep so that breathing goes through the nose. Advocates say it reduces snoring, dry mouth and waking, and improves sleep quality; the claim traveled far after a popular book on breathing made nasal breathing a cause.
What the Joyful Exhale does differently
The book spends a chapter on breathing hygiene and the nose is most of it: nasal nitric oxide, humidified air, slower breathing, the nostril anchor as a practice. What it does not do is tape anything. Nasal breathing at night follows nasal breathing by day; if you breathe through your nose for sixteen waking hours, the habit tends to come to bed with you. And the book's safety page lists untreated sleep apnea as something to see a doctor about, not to tape over.
Where mouth taping wins
Mouth taping wins for a specific person: someone with a clear nose, no apnea, who snores lightly from mouth breathing and wakes dry. For them, a small trial or two suggests it helps, and the tape is cheap. It also wins as a crude experiment: if you cannot tolerate it for one night because you cannot get enough air through your nose, that is information worth taking to a doctor.
Where I reach for mine
I reach for mine, and for the doctor, when there is any chance the mouth breathing is a symptom rather than a habit. Loud snoring, gasping, morning headaches, daytime sleepiness, high blood pressure: that is a sleep study, not tape. Taping a person with apnea quiets the snoring that was the only sign something was wrong. The nostril anchor by day and the in-bed sequence at night get most people where the tape promises to, without the risk.
What the research says
The evidence is thin: a 2022 study of twenty mouth-breathers with mild apnea found taping reduced some measures, and a 2025 systematic review concluded the literature is small and mixed. The nasal-breathing physiology underneath is sound. The book's myths chapter walks through it with the four-question field test; the answer to "who was studied" is "very few people."
Safety
Never tape with nasal congestion, a cold, sinus problems, or any suspicion of sleep apnea; never after alcohol or sedatives; never on a child. If you wake with the tape off, your body removed it for a reason.
Bottom line
Breathe through your nose all day and the night usually follows. If it does not, that is a conversation with a sleep clinic, not a trip to the hardware store.
Questions people ask
Is mouth taping safe?
For a healthy adult with a clear nose and no sleep apnea, probably. For anyone with congestion, apnea symptoms, or who has been drinking, no. The hazard is hiding a condition that needs treatment.
Does mouth taping stop snoring?
It can reduce snoring that comes from mouth breathing in people without apnea; the studies are tiny. Loud snoring with gasping or daytime sleepiness needs a sleep study, not tape.
How do I breathe through my nose at night without tape?
Practice it by day. The nostril anchor and slow exhale-weighted breathing through the nose, done often, carry into sleep for most people. Clear congestion first; see a doctor if you cannot.
In the toolkit
Two rules, no exceptions
Never practice any technique on this site while you are driving, operating machinery, or doing anything that needs your full attention. The slow ones can make you drowsy, faster than you’d expect. And never practice a breath-hold, bellows breath, or any vigorous breathing in or near water. Read Before you begin for the doctor’s list and the rest.
Written by Eric Bradley. Last reviewed October 2026. Comparisons describe other methods as their proponents teach them; nothing here is medical advice.