Herbie Murray
Moaning in your sleep could be a symptom of catathrenia, a rare sleep disorder that causes you to moan, groan, hum, or make other noises while asleep. The cause of catathrenia is not well understood, but it is believed to be related to individual factors like dysfunctional neurons in the brain, small upper airways, small jaws, limited airflow upon exhale, and low-diversity salivary microbiota. It is also believed that stress and anxiety can influence the content of dreams and may contribute to vocalizations during sleep. If you are concerned about moaning in your sleep, it is recommended that you consult a healthcare professional for proper evaluation and management.
| Characteristics | Values |
|---|---|
| Name of the condition | Catathrenia, Sleep-related groaning, Nocturnal groaning |
| Cause | The exact cause is unknown. Research suggests it could be due to malfunctioning neurons in the brain at the respiratory center (medulla oblongata). |
| Occurrence | Catathrenia occurs during the rapid eye movement (REM) stage of sleep, although it can also occur during non-REM sleep. |
| Sound | Moaning, groaning, or whimpering. |
| Timing | The sounds are more prominent when breathing out. |
| Conscious awareness | Sleepers with catathrenia are usually unaware of their groaning sounds during sleep. |
| Treatment | CPAP therapy, Mandibular Advancement Devices (MADs), Tongue Retaining Devices (TRDs), Cognitive Behavioral Therapy for Insomnia (CBT-I), etc. |
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What You'll Learn
Moaning in sleep may be a symptom of catathrenia
The exact causes of catathrenia are uncertain, but several theories have been proposed. One theory suggests that dysfunctional neurons may affect respiration and small airway structures, leading to the distinctive breathing patterns associated with catathrenia. Another possible explanation is that individuals with catathrenia may have underlying stress or anxiety that carries over into their dreams and influences their sleep behaviour. Some people with catathrenia also report engaging in activities that require breath-holding, such as swimming or weightlifting, and find a certain level of comfort in breath-holding during wakefulness.
The primary symptom of catathrenia is the production of moaning or groaning sounds during sleep, typically lasting between two and 49 seconds. These sounds usually occur during the rapid eye movement (REM) stage of sleep but can also happen during non-REM sleep. The sleeper is usually unaware of these vocalisations, and the disorder is often first reported by bed partners or family members who are disturbed by the noises. The sounds can be loud and are typically more prominent during exhalation.
While the classification of catathrenia remains debated, it is currently considered a respiratory disorder rather than a parasomnia in the latest version of the International Classification of Sleep Disorders (ICSD-3). Treatment options for catathrenia include Continuous Positive Airway Pressure (CPAP) therapy, oral appliances, and, in some cases, surgical interventions. However, the effectiveness of these treatments can vary, and further research is needed to fully understand and manage this rare disorder.
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Stress and anxiety can cause sleep moaning
Moaning in your sleep is called catathrenia, a rare sleep disorder that causes loud moaning or groaning noises during sleep. Catathrenia is not associated with pauses in breathing, like sleep apnea, and people with the condition usually exhibit normal breathing patterns between groaning episodes. The noises are more prominent when breathing out and can be loud enough to be heard by others in the vicinity.
Stress and anxiety can influence the content of dreams and may contribute to vocalizations during sleep. Emotional states during waking hours can carry over into dreams, impacting sleep behavior. Stress-reducing techniques, like mindfulness, meditation, or yoga, can help alleviate anxiety that may contribute to moaning during sleep.
It's important to note that the exact cause of catathrenia is unknown. Research suggests it could be due to malfunctioning neurons in the brain's respiratory center, causing prolonged exhaling and the vibration of vocal cords, resulting in moaning or groaning sounds. While it's not clear if anxiety directly causes catathrenia, studies indicate that you're more at risk of nocturnal groaning if a family member also has this condition, suggesting a potential genetic component.
If you experience persistent symptoms or concerns about your sleep patterns, it's advisable to consult a healthcare professional for proper evaluation and management.
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Nocturnal seizures may cause moaning
Moaning in sleep is not uncommon. It could be due to stress and anxiety, which can influence dreams and cause vocalizations during sleep. Nocturnal seizures, however, could also be a reason for moaning during sleep.
Nocturnal seizures, or seizures that occur during sleep, are often caused by unusual electrical activity in the brain. This can lead to the temporary tightening or weakening of the body's muscles. While nocturnal seizures can go unnoticed as the patient is asleep, certain signs may indicate their occurrence, such as moaning or groaning.
Nocturnal frontal lobe epilepsy (NFLE) is a form of epilepsy that can cause seizures during sleep. This condition can lead to bizarre behaviors, such as pelvic movements accompanied by moaning, which can be mistaken for nightmares or night terrors. ADNFLE, an uncommon form of NFLE that runs in families, can also result in nocturnal seizures with moaning or gasping sounds.
To diagnose nocturnal seizures, a sleep study is often required. This involves an overnight stay in a hospital where brain activity is monitored during sleep using EEGs, MRIs, and CT scans. Treatment options include anti-seizure medications, surgery, and the use of a vagus nerve stimulator (VNS) alongside anti-epileptic medication.
If you suspect that moaning during sleep is due to nocturnal seizures or any other medical condition, it is important to consult a healthcare professional for proper evaluation and management.
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Genetics and family history may be factors
Moaning in sleep, or catathrenia, is a rare sleep disorder that causes loud, involuntary moaning, groaning, or whimpering during sleep. The exact cause of catathrenia is not yet fully understood, but it is believed to be related to various factors such as dysfunctional neurons in the brain's respiratory center, small upper airways, small jaw size, and inspiratory flow limitation issues.
Genetics and family history may also play a role in the occurrence of catathrenia. Research has found that approximately 15% of individuals with catathrenia have a family history of the disorder. If family members exhibit similar behaviours, it could suggest a genetic predisposition to sleep talking or other sleep-related vocalizations. While occasional moaning during sleep is considered normal, persistent or disruptive vocalizations may indicate an underlying sleep disorder and warrant further investigation.
The diagnosis of catathrenia is typically made through a sleep study, specifically an overnight polysomnogram (PSG) or a comprehensive sleep study that monitors various physiological parameters during different stages of sleep. Treatment options for catathrenia include continuous positive airway pressure (CPAP) therapy, oral appliances, and, in some cases, surgery.
It is important to note that catathrenia is different from other breathing problems and sleep disorders, and treatment options should be tailored to the individual's specific needs and root causes. While catathrenia itself is typically harmless, it can significantly disrupt the sleep of bed partners or roommates due to the loud moans and noises produced during sleep. Simple solutions such as earplugs or "white noise" generators can help minimize disturbances for those sharing a room or bed with someone experiencing catathrenia.
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Treatment options for catathrenia
Moaning in one's sleep, or catathrenia, can be caused by a variety of factors, including stress and anxiety, nocturnal seizures, genetics, and family history. This condition can be a source of embarrassment and social nuisance for those who experience it. While it may not always indicate a serious medical issue, it can significantly disrupt the sleep of bed partners or roommates.
If you or someone you know is experiencing catathrenia, there are several treatment options available to improve sleep quality and reduce daytime sleepiness:
- Continuous Positive Airway Pressure (CPAP) Therapy: This involves the use of a CPAP machine, which delivers continuous airflow to maintain an open airway throughout the night. CPAP therapy has been found to be effective in reducing groaning episodes during non-REM sleep.
- Mandibular Advancement Devices (MADs): These are custom-made dental appliances that reposition the lower jaw forward, increasing upper airway space and reducing nighttime groaning associated with obstructive sleep apnea.
- Tongue Retaining Devices (TRDs): TRDs use suction to hold the tongue in place, preventing it from obstructing the airway during deep breathing or REM sleep cycles.
- Surgical Procedures: In some cases, surgical interventions may be recommended to remove excess tissue from the breathing passages. One such procedure is uvulopalatopharyngoplasty (UPPP), which involves the excision of tissue from the throat canal. Airway surgery is another option to consider.
- Stress Management: As stress and anxiety can contribute to moaning during sleep, practicing stress-reducing techniques such as mindfulness, meditation, or yoga can help alleviate the symptoms.
- Cognitive Behavioral Therapy for Insomnia (CBT-I): This structured program can help individuals identify and replace thoughts and behaviors that worsen sleep problems.
- Earplugs: For bed partners or roommates, wearing earplugs can be an effective way to block out the noise and improve their sleep quality without requiring any medical intervention.
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Frequently asked questions
Moaning in your sleep could be a symptom of catathrenia, a rare sleep disorder that causes you to moan, groan, hum, or make cracking sounds while asleep. The cause of catathrenia is not well understood, but it is believed to be related to individual factors like dysfunctional neurons in the brain, small upper airways, small jaws, limited airflow upon exhale, and low-diversity salivary microbiota.
The main symptom of catathrenia is moaning or groaning during sleep, typically when exhaling rather than inhaling. The sounds produced are usually loud enough to be heard by others and can wake them up. However, the person with catathrenia often won't notice or remember it. If you suspect you have catathrenia, consult a healthcare professional for a proper evaluation and management plan.
Treatment options are available to reduce catathrenia symptoms and help improve sleep quality for both the affected individual and their bed partner. These include continuous positive airway pressure (CPAP), oral appliances such as mandibular advancement devices (MADs) and tongue-retaining devices (TRDs), and in some cases, surgery.
