Quick answer: Mouth taping is promoted for snoring and mouth breathing, but its benefits and safety are not established for general use. It can be risky when nasal breathing is obstructed and should not replace evaluation or treatment for sleep apnea. Talk with a clinician about the cause of mouth breathing or snoring.
What is mouth taping, and does it work?
Mouth taping means placing an adhesive product around or over the mouth during sleep to encourage nasal breathing. Products differ, including strips that cover the lips and designs intended to encourage lip closure without fully covering them. Marketing claims do not establish that a product is safe or effective for you.
A 2025 systematic review included 10 studies and 213 participants. Some small studies reported improvements in sleep-apnea measures, while others found no difference. The authors identified potential serious risks, especially with nasal obstruction, and concluded further research is needed. The findings do not justify treating sleep apnea with tape at home.
There is not strong evidence that mouth tape reliably increases deep sleep, treats anxiety or improves oxygen levels in the general population. Reduced snoring alone does not prove that breathing interruptions have stopped.
Who should be especially cautious?
- People who have a blocked nose, chronic nasal congestion or difficulty breathing through the nose.
- People with suspected or diagnosed sleep apnea, breathing problems, or unexplained loud snoring.
- People who may be unable to remove the product quickly, or who experience anxiety or skin irritation from adhesives.
- Children: discuss breathing or snoring concerns with a pediatric clinician instead of using consumer mouth tape as a treatment.
Blocking the mouth when the nose is obstructed could make breathing difficult. Mouth tape can also irritate the skin. Do not use it as a substitute for prescribed CPAP, an oral appliance or another clinician-directed treatment.
What to try instead
- Investigate nasal obstruction. A clinician or pharmacist can help assess congestion, allergies or other causes and advise on appropriate treatment.
- Discuss snoring and sleepiness. A sleep clinician can determine whether a sleep study is appropriate.
- Address dry mouth. Ask a dentist or clinician about medications, hydration, nasal breathing and oral care. See our nighttime dry-mouth guide.
- Adjust CPAP with your care team. Mask fit, air leaks and humidification may be relevant. The National Heart, Lung, and Blood Institute advises discussing side effects with your provider.
- Review established treatments. For diagnosed obstructive sleep apnea, options can include CPAP or a prescribed, professionally fitted oral appliance. See our oral appliance guide.
When should you seek medical advice?
Make an appointment for loud persistent snoring, witnessed breathing pauses, waking up gasping, ongoing nasal blockage or excessive daytime sleepiness. Seek urgent care for difficulty breathing. If you already use CPAP and are having trouble, contact your sleep clinician before making changes.
Frequently asked questions
Can mouth tape treat sleep apnea?
It is not an established substitute for prescribed sleep-apnea treatment. Discuss any treatment change with your sleep clinician.
Does mouth tape increase deep sleep?
Current evidence does not establish a reliable increase in deep sleep for general users.
Can nasal strips replace CPAP?
No. A nasal strip may make nasal airflow feel easier for some people, but it is not a replacement for prescribed apnea treatment.