Falling Asleep? Here’s Why Your Mouth Opens

⁤Are you one of ​those people who has a‌ hard time staying asleep all night? Does your mouth​ open up wide⁤ even though you are not actively doing it? If you answered yes ​to both ​of these questions, then‍ you’re not alone! Falling ‌asleep ⁤with your mouth wide⁣ open can be annoying and embarrassing,‌ but the good‍ news is that‌ it ⁣has manageable causes and solutions. ⁤

In this article, we’ll explore ‍why your ‍mouth opens⁣ when you fall asleep, and⁢ offer some advice on how to keep it closed and get a good night’s rest.

1. Does Your Mouth⁢ Open When You Fall⁤ Asleep?

No, it’s not ‌usually true that your mouth opens when ⁣you⁤ fall asleep. ‌There are a few potential causes ⁤though:

  • Breathing ⁤Pattern: Mouth breathing can occur ⁤due‍ to long-term and​ habitual snoring, and you⁢ start to⁤ breathe through your mouth while you’re ‌asleep, which can cause‍ it ‍to hang open when⁤ your⁣ snoring ​stops.
  • Dehydration: When you don’t drink enough fluids​ during the ⁣day you could become dehydrated. This ⁢can cause dry ‍mouth,‌ leaving you with a feeling ​of needing relief ⁣– and that can cause⁤ you to open your ⁤mouth⁢ when ⁣Sleeping.
  • Sleeping Posture: Sleeping on your stomach over ⁣a‍ longer period can often cause ⁣your mouth to ⁣hang open.

Aside from‍ these three​ potential causes, it’s⁤ also a sign ⁤of ⁤weakened muscle tone‌ in the jaw, which can ⁤be due to age, ​genetics, or an underlying medical issue.

2. What ​Causes⁤ Your Mouth to⁤ Open While Asleep?

falling asleep with mouth open
The Independent

Sleep Bruxism ⁣ – ‍Sleep bruxism is one ​of the ⁣main‍ causes of your mouth ⁤opening while ‍you’re asleep. It is a medical⁢ condition⁤ that ⁣involves⁤ clenching and grinding your⁣ teeth while you’re‌ asleep. People who⁢ suffer ⁢from ​this condition often don’t realize ‍it until ⁢their‌ dentist or partner notifies them of the‍ grinding.

Obstructive ⁢Sleep⁤ Apnea – Obstructive ⁣sleep apnea is another common reason why your mouth ​may be opening during sleep. This ⁤is a ​disorder that is ⁣caused when your throat muscles ​relax and close off your‌ airways. You’ll tend to wake⁣ up multiple times throughout the⁣ night ‌due to ⁢this and‌ naturally⁢ open ⁣your‌ mouth, allowing more air ⁣to enter your body.

Other causes of your mouth opening while you’re asleep can​ include:

  • Allergies
  • Weight gain
  • Alcohol​ and drugs
  • Stress or anxiety

It is not uncommon ⁢to ‌open⁤ your mouth while you’re sleeping, ‍but if you’re regularly​ doing⁤ so,‌ it’s important to identify what is causing it so ‌that⁣ you⁢ get the⁢ right treatment.

3. How Can ⁢You Stop⁢ Your Mouth from Opening​ at ⁣Night?

1. Check Your Dental⁢ Habits: Poor dental habits ‍can ‌be a ⁢major​ contributor to nighttime mouth ​breathing. Be sure to brush‌ twice⁤ a day for two ⁣minutes and floss every day. Reminder: For​ best ⁤results, brush ⁤with ADA-approved toothpaste. Additionally,⁣ if you don’t wear a‍ mouthguard at night, get⁤ fitted for one.

2. Block ⁣the ⁣People: Lose the people who​ encourage mouth​ breathing ⁤by exiting  ⁣conversations when ​the topic turns to‍ open-mouthed ‍breathing. Make ‍sure to‍ keep your‍ friends and​ family members in⁣ the loop about ⁤your goal and​ ask them to remind you ⁣if‌ you slip⁤ up.

3. Consider Nasal Strips: Nasal strips ‌may be ‌the answer for those who ​are ‍still struggling with nighttime mouth breathing. Nasal strips are adhesive ⁢strips that stick‌ to ⁣your nose​ and open up your nasal ⁢passages.

Easy Tips ⁤For Reducing Mouth⁣ Breathing While ‌Sleeping:

  • Turn the air‍ conditioner ​off or reduce the temperature – hot rooms can increase ‌the ⁣amount of mouth​ breathing.
  • Avoid smoking, drinking alcohol, or‍ using ⁤strong⁤ flavors‌ such‍ as ⁣coffee or ‍mint prior⁢ to sleep.
  • Stay hydrated during the day and night – produce‍ more saliva and moisture by drinking throughout ⁣the day.
  • Invest in an air purifier for your bedroom.
  • Place a cool compress ​over ⁤your face during ‍the​ night.
  • Elevate⁤ your head at night with‍ a ‌few pillows.

4. Tips‌ to Help You Sleep Comfortably ⁣and Keep Your Mouth Closed

If you ⁣suffer from mouth breathing while sleeping, here are 4 tips to help ⁤you sleep more ‌comfortably at night ​and keep your mouth​ closed:

  • Mouth Tape: ⁤ You​ can use a special type of⁣ tape​ to keep your mouth ⁢closed while you sleep, and it’s even available for purchase online. Be sure ‌to consult your doctor ‌before using ​it because mouth tape might not be⁢ suitable for everyone.
  • Sleep Position: Adjust‌ your sleep‍ position ⁤to be ‍on ​your back‌ or side instead of‌ on⁣ your stomach since ⁢this can help keep ⁣your ⁣mouth closed while sleeping.
  • Humidifier: A humidifier⁤ might help you⁢ prevent dry mouth and reduce mouth breathing.
  • Neti ‍Pot: You can‌ try a ‌Neti pot, which is a tool used for ‌nasal irrigation. Using a Neti⁢ pot can help keep your‌ nasal passages ⁢clear and reduce the amount ‌you breathe through your mouth. Be‍ sure to consult⁣ with⁢ your doctor and ​follow the instructions carefully when using a Neti pot.

By​ following⁤ these tips, you should be able ⁤to sleep more comfortably ⁣at⁤ night, and help⁣ prevent ⁤mouth breathing‍ while you sleep.


If ‌you’ve noticed that your mouth​ is ⁣opening while you⁢ are ‍trying ⁢to sleep,⁢ don’t fret – ​it’s⁣ common and normal. Whether it’s due to‍ allergies,⁢ dryness, ‌medical conditions, or just a habit,⁤ there are a few simple ways ⁢to reduce the risk of your mouth opening as ‍you fall asleep. Keep these tips in mind to help ‍you‌ achieve a good night’s ‌rest.

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