Most of us never think about how we breathe at night. We fall asleep and assume the body takes care of itself. But for a significant number of people, sleep involves mouth breathing — and mouth breathing, it turns out, is one of the quieter saboteurs of sleep quality, energy levels, and even long-term health.
Mouth taping is a simple, low-cost practice that keeps the lips gently closed during sleep, encouraging the body to breathe through the nose the way it was designed to. It sounds unusual at first. But once you understand what nasal breathing actually does for the body, it starts to make a great deal of sense.
Why Nasal Breathing Matters
The nose is not just a passage for air — it is an active part of the breathing system. When air enters through the nose, several things happen that simply do not occur with mouth breathing.
The nasal passages produce nitric oxide, a molecule that widens blood vessels, improves oxygen delivery to cells, and has powerful antiviral, antibacterial, and antioxidant properties. Mouth breathing bypasses this entirely, reducing both oxygen efficiency and immune support.
Nasal breathing also filters, warms, and humidifies incoming air — protecting the airways and lungs from irritants. Mouth breathing, by contrast, dries out the mouth and throat, can contribute to altered oral pH levels, bad breath, and gum issues over time.
At night, nasal breathing activates the parasympathetic nervous system, supporting the deep, restorative rest the body needs. Mouth breathing is associated with lighter sleep, snoring, and in some cases sleep apnea. The airways simply stay more open and stable when breathing is nasal.
There is also a cumulative benefit to the nasal passages themselves. Regular nasal breathing stimulates the mucus membranes, keeps the sinuses draining properly, and over time makes nasal breathing easier and more natural — day and night.
How to Get Started with Mouth Taping
Mouth taping is straightforward, but doing it correctly matters for both safety and comfort.
- Choose the right tape. Use a gentle, skin-safe tape — medical-grade or hypoallergenic. Brands like 3M Micropore work well. Specialist mouth tapes are available but can be expensive. Siv’s personal preference is a small piece of Kinesiotape: it is elastic, breathable, comfortable on skin, and easy to remove in the morning.
- Test your skin first. If you have sensitive skin, apply a small piece to your wrist or chin for a few hours before trying it on your lips overnight.
- Start with a small vertical strip. Place it across the centre of your lips rather than the full width. The goal is simply to keep the lips together — not to seal the mouth completely. You can still open your mouth or take a sip of water if needed.
- Prepare your body before sleep. A few minutes of nasal breathing before bed helps the transition. Box breathing (4 counts in, 4 hold, 4 out, 4 hold) is a good option — it calms the nervous system and gets the breath moving through the nose before you close your eyes.
- Give it time. In the early days you may remove the tape during the night without realising it. This is completely normal. Most people find they adjust within a week or two and begin to prefer sleeping with it.
- Remove it gently in the morning. Peel slowly from one corner rather than pulling across. There is no need to rush.
- Notice how you feel. Pay attention to your sleep quality, how your sinuses feel in the morning, and your energy levels through the day. If something feels wrong, adjust the tape size or placement, or simply stop.
Personal Experiences
Siv’s own experience with mouth taping has been striking. The change she noticed most was in her sinuses: she used to wake up completely congested every morning. After starting mouth taping, she wakes with her nasal passages clear. It has now become a natural part of her going-to-bed routine — something she misses when she forgets it.
One patient shared his experience:
“I have fewer wake-ups during the night. I used to have to empty my bladder four or five times — now I’m down to one or two. My snoring has also decreased.”
Is Mouth Taping Safe?
For most healthy adults, yes. But there are important exceptions:
If you have been diagnosed with severe sleep apnea, chronic nasal congestion, or any other respiratory condition, do not try mouth taping until you have spoken with your doctor. Mouth taping is not appropriate as a substitute for medically managed sleep apnea treatment.
If you experience anxiety or panic attacks, approach this practice slowly. Start by wearing the tape during the day for short periods and see how it feels. If it feels comfortable, try it at night. Remember that you can remove the tape at any point — there is nothing locking you in.
If your nose is blocked due to a cold or allergies, wait until you can breathe freely through your nose before attempting mouth taping.
Ready to Go Further?
Mouth taping works best as part of a broader commitment to breathing well. If you want to build that practice, our free 11 Minutes to Peace Challenge is a gentle and accessible starting point. In 11 minutes a day you get a guided breathwork meditation, a Soma Breath introduction course, and email support to help you build the habit. It is free, flexible, and open to anyone.
If you want to understand the science behind CO2 tolerance and nasal breathing more deeply, our recorded workshop The CO₂ Advantage — Train Your Nervous System for Calm, Clarity and Energy goes into exactly that, with practical tools you can apply straight away.
Frequently Asked Questions About Mouth Taping
Will I be able to breathe if I tape my mouth shut?
Yes. The tape keeps your lips gently together — it does not seal your mouth completely. You can still open your mouth if you need to, and a small vertical strip across the centre of the lips is enough to do the job. If your nose becomes blocked during the night, you will naturally open your mouth or remove the tape. The body’s breathing reflexes remain fully active.
What if I have a cold or allergies?
Wait until your nose is clear before trying mouth taping. If you cannot breathe comfortably through your nose while awake, it is not the right time. Mouth taping is for nights when nasal breathing is already possible — it reinforces the habit, it does not force the body into something it cannot do.
Will it help with snoring?
For many people, yes. Snoring is often caused or worsened by mouth breathing during sleep, and switching to nasal breathing reduces the vibration in the throat that creates the sound. Some studies support a reduction in snoring with nasal breathing. However, if your snoring is related to sleep apnea, you should consult a doctor before trying mouth taping — sleep apnea requires proper medical assessment and treatment.
How long does it take to see results?
Many people notice a difference within the first few nights — particularly in how their sinuses feel in the morning and how rested they feel. The adjustment period for the habit itself usually takes one to two weeks, after which most people find it comfortable and even preferable. Deeper benefits, like improved sleep architecture and better energy levels through the day, tend to build over several weeks of consistent practice.
Can children use mouth tape?
Mouth taping is generally not recommended for young children without medical guidance. Children’s airways are smaller and their sleep patterns differ from adults. If you are concerned about a child’s breathing during sleep — snoring, open-mouth sleeping, or restlessness — speak with a paediatrician or an ENT specialist first.
About the author
Siv Jøssang Shields holds a Doctor of Chiropractic, a Master of Science in Physiology, and a Bachelor of Biology. She has been a practising chiropractor since 1996 and is a certified Master Breathwork Facilitator, Trauma-Sensitive HeartMath Practitioner, Soma Breath Instructor, and Certified Hypnotherapist. She has been teaching Neurogenic Tremoring since 2009, training directly under Dr. David Berceli, the founder of TRE. Together with Dr. Berceli and Alex Green, she co-created Neurogenic Integration — the world’s first fully online, self-paced TRE provider certification program. Siv is the co-founder of The Integrated Human, based in Voss, Norway, where she works with individuals and groups internationally through workshops, retreats, and certification programs.
