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How To Stop Grinding Your Teeth at Night

A woman peacefully sleeping under white blankets with a phone nearby.

Waking up with a sore jaw or headache? Noticed your teeth feeling extra sensitive lately? You might be grinding your teeth in your sleep—also known as sleep bruxism.

It’s more common than you’d think, especially among children, teens, and young adults. While the exact cause can vary, there are practical steps you can take to reduce the damage and ease the discomfort.

If you’re wondering how to stop grinding teeth in sleep, here are some practical tips that can actually help.

What Is Sleep Bruxism?

Before tackling solutions, it’s helpful to understand what’s going on.

Sleep bruxism is when you clench or grind your teeth at night. Because it happens while you’re asleep, many people don’t even realise they’re doing it. Often, it’s a bed partner or dentist who points it out first.

Signs include:

  • Worn-down or chipped teeth.
  • Tight or painful jaw.
  • Headaches when you wake up.
  • Interrupted sleep.
  • Clicking or popping sounds in the jaw.

If any of this sounds familiar, it might be time to talk to a Melbourne orthodontist like Dr Geoffrey Wexler for advice.

What Causes Teeth Grinding at Night?

There isn’t one single cause of bruxism. For some people, it’s linked to stress or anxiety. For others, it may be a side effect of medication, sleep apnea, or lifestyle habits like smoking and caffeine. 

Common triggers include:

  • Stress and tension.
  • Sleep disorders like sleep apnea.
  • Certain medications (like some antidepressants).
  • Substance use (alcohol, tobacco, stimulants).
  • Poor sleep posture or misaligned teeth.

Understanding your specific triggers is key to managing them.

Wear a Night Mouthguard

One of the best ways to stop damaging your teeth while you sleep is to wear a mouthguard, also called a night guard. These custom-fit trays sit over your teeth, acting as a cushion to absorb the pressure of grinding or clenching. They can’t stop the grinding itself, but they do protect your teeth and reduce muscle strain.

You can buy mouthguards over the counter, but the most effective option is a custom-made version from your dentist or orthodontist. These fit better, are more comfortable for long-term use, and are more durable—lasting much longer than store-bought alternatives.

Do Jaw and Mouth Exercises

One of the easiest ways to stop grinding your teeth in your sleep is by doing exercises. Simple mouth exercises can help reduce tension in your jaw and face muscles.

Try this:

  • Gently close your lips without letting your teeth touch.
  • Press your tongue to the roof of your mouth.
  • Hold this position for several seconds.

This can help train your muscles to relax and ease pressure. Repeat a few times a day, especially before bed. For more guidance, your dentist may refer you to a physiotherapist with experience in jaw tension or TMJ treatment.

Manage Stress Before Bed

Since stress is a common cause of nighttime teeth grinding, finding ways to unwind before bed can make a big difference.

A few ideas:

  • Try a short mindfulness meditation.
  • Do some light stretching.
  • Take a warm shower.
  • Listen to calming music.
  • Avoid screens before bed.

The goal is to switch your body into rest mode and reduce tension that could carry into your sleep.

Be Mindful of Your Sleep Position

How you sleep might also impact your bruxism. Lying on your back with your head supported can sometimes help reduce pressure on your jaw.

If you sleep on your side or stomach, your jaw might be pushed into a tighter position without you realising it. Try experimenting with your pillow setup to see if it helps your jaw feel more relaxed in the morning.

Skip the Chewy Snacks (and Gum)

If you already have jaw pain, it’s best to avoid foods that make your mouth work harder. Things like:

  • Tough meats.
  • Chewy lollies.
  • Gum.
  • Nuts and popcorn.

These can put extra stress on your jaw muscles and make grinding worse at night.

Stick to softer foods when your jaw feels sore, and save the gum for later.

Look Into Other Treatments

In some cases, your dentist might suggest other treatments like:

  • Botox to help relax the jaw muscles.
  • Counselling or therapy for stress and anxiety.
  • Sleep studies if sleep apnea is suspected.
  • Medication for short-term relief (in certain cases).

Not every solution works for every person, which is why it’s best to get professional advice.

When to See a Dentist or Orthodontist

If you’re grinding your teeth at night regularly and it’s causing pain or damage, don’t wait too long to speak to a professional.

An orthodontist can examine your teeth and jaw, see what’s going on and recommend the right treatment.

You should book a visit if:

  • You have visible damage to your teeth.
  • You wake up with a sore jaw most mornings.
  • You experience frequent headaches.
  • Someone tells you they hear you grinding at night.

Even if you’re not in pain now, early treatment can help avoid more serious dental problems later on.

How Can You Stop Grinding Teeth in Sleep?

There’s no one-size-fits-all answer, but there are lots of ways to make things better. Start by protecting your teeth with a night guard, reduce stress where you can, and speak to a professional if things aren’t improving.

Whether it’s a custom mouthguard, jaw exercises, or managing stress, small changes can lead to big relief over time. Still have questions? Reach out to an experienced orthodontist in Melbourne who can guide you through your options.

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