Ashwin Lewis
Sleep bruxism, or teeth grinding, is a common condition that occurs during sleep. It is characterised by the movement of the masticatory muscles responsible for chewing, and it can cause jaw pain, headaches, and dental damage. Sleep bruxism is often associated with various risk factors, such as stress, anxiety, sleep disorders, and certain medications. While the exact causes of bruxism are not fully understood, it typically occurs subconsciously and can impact people of all ages, although it is most common during childhood and adolescence. Treatment options include custom mouth guards and addressing underlying conditions or lifestyle factors that may contribute to the condition.
| Characteristics | Values |
|---|---|
| Condition | Bruxism (teeth grinding) |
| Type | Sleep bruxism (teeth grinding during sleep) |
| Occurrence | Up to 60% of people make occasional chewing-like motions in their sleep |
| Causes | Stress, anxiety, sleep disorders, certain medications, personality traits, neurological disorders, lifestyle habits (smoking, alcohol consumption, caffeine intake) |
| Symptoms | Jaw pain, neck pain, headaches, tooth erosion, dental damage, TMJ disorders, tinnitus |
| Treatment | Custom mouth guard, exercise, stress reduction, relaxation techniques, medication |
| Diagnosis | Polysomnography, dental examination |
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What You'll Learn
Sleep bruxism, or teeth grinding, is a common sleep disorder
Sleep bruxism is typically diagnosed by a doctor or dentist, and polysomnography, an overnight study in a sleep clinic, is the most conclusive method. However, this approach can be time-consuming and expensive and may not be necessary in all cases. Dentists can also check for signs of bruxism during regular dental visits, such as flattened tooth tips.
The exact causes of bruxism are unknown, but it is often associated with stress, anxiety, and certain personality traits. People with nervous tension, anger, pain, or frustration are more prone to developing bruxism. Additionally, certain medications, such as selective serotonin reuptake inhibitors (SSRIs), amphetamines, and antipsychotics, may increase the risk of sleep bruxism. Other risk factors include sleep disorders like sleep apnea, sleep talking, or sleepwalking, and lifestyle habits such as smoking, alcohol consumption, and high caffeine intake.
Left untreated, sleep bruxism can lead to several issues, including jaw pain, dental damage, headaches, and TMJ (temporomandibular joint) disorders. The grinding action can put extra strain on the teeth and jaws, resulting in dental issues such as tooth erosion and mobility, as well as damage to fillings and implants. Sleep bruxism can also increase the risk of TMJ problems, causing difficulty chewing, chronic jaw pain, and other complications.
To manage sleep bruxism, it is recommended to reduce stress, learn relaxation techniques, and pay attention to any tension in the facial muscles. Exercise, maintaining a quiet and peaceful bedroom environment, and avoiding caffeine, alcohol, and smoking can also help. In some cases, a custom mouth guard may be suggested to ease symptoms and protect the teeth.
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It can cause jaw pain, headaches and tooth damage
Sleep chewing, or bruxism, can cause a range of issues, including jaw pain, headaches, and tooth damage. Bruxism is the repeated clenching, grinding, or gnashing of teeth and is typically done subconsciously, either during waking hours or when one is asleep. It can put extra strain on the teeth and jaws, leading to dental issues, headaches, and jaw pain.
People who suffer from bruxism may experience jaw pain, especially in the morning, along with headaches or facial pain. The grinding action can also lead to tooth erosion, loose or cracked teeth, and tooth sensitivity. Even during sleep, a person may clench their teeth with a force of up to 250 pounds, which can result in dental damage.
The condition can further cause temporomandibular joint (TMJ) disorders, affecting the joint that attaches the lower jawbone to the skull. Symptoms of TMJ disorders include pain when eating, difficulty opening and closing the mouth, and tinnitus (ringing in the ears). Left untreated, bruxism can lead to severe jaw muscle and joint problems, and in some cases, tooth loss.
Risk factors for bruxism include stress and anxiety, certain medications, sleep disorders such as sleep apnea, and lifestyle habits such as smoking, alcohol consumption, and high caffeine intake. Treatment options for bruxism include custom mouth guards, stress reduction techniques, and, in severe cases, botulinum toxin injections to relax the jaw muscles and reduce pain.
To reduce the likelihood of bruxism, it is recommended to maintain good sleep hygiene, such as having a consistent sleep schedule and avoiding caffeine, alcohol, and electronic device use close to bedtime. Regular exercise, stress reduction techniques, and avoiding hard or chewy foods can also help prevent teeth grinding.
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Stress, anxiety, and lifestyle factors are risk factors
Bruxism, or teeth grinding, can occur during the day or at night. Sleep bruxism is considered a "sleep-related movement disorder" that starts as a problem in the central nervous system. While the exact cause of bruxism is unknown, it is often associated with stress, anxiety, sleep disorders, certain medications, and lifestyle factors.
Stress and anxiety are common psychosocial factors that contribute to bruxism. Individuals experiencing nervous tension, such as anger, pain, or frustration, are more prone to teeth grinding. Additionally, those with depression or anxiety disorders, such as major depressive disorder (MDD) or generalized anxiety disorder (GAD), have an increased risk of developing bruxism.
Sleep disorders, such as obstructive sleep apnea, sleep talking, and sleepwalking (parasomnias), are also risk factors for bruxism. Sleep apnea, in particular, has been correlated with teeth grinding, although the direction of causality is unclear. Other sleep-related conditions, such as night terrors and sleep-related epilepsy, may also play a role in bruxism.
Lifestyle habits and medical factors can influence the occurrence of bruxism. People who smoke, consume excessive alcohol, or have a high intake of caffeine (more than six cups of coffee per day) are twice as likely to grind their teeth. Additionally, certain medications, including selective serotonin reuptake inhibitors (SSRIs) and specific antidepressants like fluoxetine, sertraline, and paroxetine, have been linked to an increased risk of bruxism.
To mitigate the risk factors associated with stress, anxiety, and lifestyle factors, several interventions can be considered. These may include stress reduction techniques, such as relaxation techniques and regular exercise, avoiding caffeine, alcohol, and smoking close to bedtime, and addressing any underlying sleep disorders or medical conditions.
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Sleep-related eating disorders can cause chewing in sleep
Nocturnal eating disorders involve abnormal eating behaviours during sleep, such as compulsive food-seeking and consumption. These behaviours occur after the individual wakes up briefly from non-rapid eye movement (non-REM) sleep. Patients are typically conscious during these episodes and can recall them the next day.
Sleep-related eating disorders may be associated with other conditions such as sleepwalking, somniloquy (sleep-talking), restless legs syndrome, and periodic limb movements during sleep. The presence of these behaviours suggests an underlying dopaminergic dysfunction contributing to the pathogenesis of sleep-related eating disorders.
Treatment for sleep-related eating disorders aims to address the underlying causes and associated conditions. Low-dose sertraline therapy, for instance, has been found to be effective in some cases. Additionally, individuals with sleep-related eating disorders should ensure a quiet and peaceful bedroom environment, avoid electronic devices before bedtime, and maintain a regular exercise routine.
It is important to consult a healthcare professional for a comprehensive evaluation and personalised treatment plan for sleep-related eating disorders and associated conditions.
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Tongue biting in sleep can be caused by seizures or muscle spasms
Chewing in your sleep, also known as bruxism, is the clenching, grinding, or gnashing of teeth. It usually occurs during the early part of sleep and can cause severe dental damage, headaches, and jaw pain. While the exact causes of bruxism are unknown, it is often associated with stress, anxiety, sleep disorders, and certain medications.
Now, tongue-biting during sleep can be caused by various factors, including seizures or muscle spasms. Seizures, especially those related to epilepsy, can cause tongue-biting during sleep. Antiseizure medications can help prevent seizures and tongue-biting, but it is important to consult a doctor if the issue persists despite medication.
Muscle spasms in the face and jaw can also lead to tongue-biting while sleeping. This condition is known as faciomandibular myoclonus, a rare sleep-related movement disorder. It is characterized by myoclonic jerks involving the muscles innervated by the fifth and seventh cranial nerves. While it can be challenging to distinguish clinically, nocturnal video-polisomnography is a key diagnostic tool.
Illicit drug use, particularly MDMA (ecstasy), has also been linked to tongue-biting during sleep. Discontinuing drug use is typically sufficient to stop these symptoms, but medical assistance may be necessary for some individuals. Additionally, Lyme disease has been associated with tongue-biting due to its impact on the central nervous system and bodily reflexes.
It is important to note that tongue-biting during sleep may be a symptom of an underlying medical condition. If you frequently bite your tongue while sleeping, it is recommended to consult a healthcare professional for proper diagnosis and treatment.
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Frequently asked questions
Chewing in your sleep could be a sign of sleep bruxism, which is when you clench, grind or gnash your teeth during sleep.
The cause of bruxism is not always clear, but it is often associated with stress, anxiety, sleep disorders and certain medications.
Sleep bruxism is quite common, with up to 60% of people making occasional chewing-like motions in their sleep. However, in people with sleep bruxism, these motions occur with greater frequency and force.
Many people are not aware that they grind their teeth in their sleep. Some signs that you may have sleep bruxism include jaw and neck pain, morning headaches, and unexplained damage to teeth. A sleep partner may also be able to tell you if they hear you grinding your teeth at night.
If you suspect you have sleep bruxism, you should speak to a dentist or healthcare provider. They may ask about your medical history, sleep quality, and any medications you are taking. Treatments for sleep bruxism include custom mouth guards and stress reduction techniques.
