Colin Snow
Being mean in your sleep could be a sign of a parasomnia, a sleep disorder that causes abnormal behaviour while sleeping. Parasomnias can occur during any sleep stage, including the transition from wakefulness to sleeping and vice versa. They can manifest as physical and verbal activity, such as sleepwalking, sleep talking, or even aggressive movements and shouting. While the person experiencing parasomnia might appear awake, they are actually unconscious and typically do not remember the incident. In some cases, parasomnias can be dangerous as the person is unaware of their surroundings. If you suspect you may have parasomnia, it is recommended to consult a doctor or a sleep specialist for diagnosis and treatment.
| Characteristics | Values |
|---|---|
| Parasomnia | Sleep disorder that causes abnormal behaviour while sleeping |
| Types of Parasomnia | Sleepwalking, Sleep talking, Catathrenia, REM sleep behaviour disorder, Exploding head syndrome |
| Causes | Sleep-wake cycle is immature, Neurodegenerative diseases, Narcolepsy, Cerebrovascular disease, Intracranial tumours, Central nervous system infection, Medication use |
| Effects | Disrupt sleep, Affect people around you, Dangerous due to unawareness of surroundings |
| Treatment | Supportive environment, Sleep specialist, Relaxing before bedtime, Reducing screen time before bed |
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What You'll Learn
- Parasomnia: a sleep disorder causing abnormal behaviour while sleeping
- Sleep-related groaning: repeated moaning or groaning during sleep
- Nightmares: intense dreams causing anger, anxiety or fear
- Sleep deprivation: lack of sleep can cause irritability
- REM sleep behaviour disorder: acting out, shouting, or making aggressive movements in response to a dream
Parasomnia: a sleep disorder causing abnormal behaviour while sleeping
Parasomnia is a sleep disorder that causes abnormal behaviour while sleeping. The behaviour can occur during any stage of sleep, including the transition from wakefulness to sleeping and vice versa. If you have parasomnia, you might move around, talk, or do unusual things during sleep. Other people might think you are awake, but you are actually asleep. You typically do not remember the incident. While parasomnias are common, they can make it difficult to get restful sleep. The behaviour might also disrupt the sleep of people around you. Some parasomnias can be dangerous because you are unaware of your surroundings.
There are three main groups of parasomnias based on the stage of sleep in which they occur. Non-rapid eye movement (non-REM) sleep parasomnias involve physical and verbal activity and occur during the first three stages of sleep, from first falling asleep to about the first half of the night. Sleepwalking, or somnambulism, is a common parasomnia that occurs during non-REM sleep. It might also involve sleep talking or performing normal activities around the house. Sleep terrors and sleep paralysis are also parasomnias that occur during non-REM sleep.
Rapid eye movement (REM) sleep parasomnias occur during the latter part of the night, following the three non-REM stages of the sleep cycle. During REM sleep, your eyes rapidly move under your eyelids, and your heart rate, breathing, and blood pressure increase. This is when vivid dreaming occurs. REM sleep behaviour disorder (RBD) is a type of REM sleep parasomnia characterised by a lack of generalised atonia during REM sleep, resulting in pronounced physical activity during sleep. Dreams associated with RBD are often violent or anxious in nature, and individuals with RBD typically have vivid dream recall when awoken. Bedwetting, or nocturnal enuresis, is another parasomnia that can occur during REM sleep.
Some parasomnias do not fit into either the non-REM or REM sleep categories. Nightmare disorder, for example, can occur during any stage of sleep. It involves troubling, intense dreams that cause anger, anxiety, or fear. Catathrenia, or sleep-related groaning, is another parasomnia that does not fit into the non-REM or REM sleep categories. It involves making repeated moaning or groaning noises during sleep.
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Sleep-related groaning: repeated moaning or groaning during sleep
Sleep-related groaning, or catathrenia, is a rare sleep disorder that causes people to groan or moan loudly while sleeping. The groaning typically occurs during exhalation and stops during inhalation. The sounds produced can be described as sullen, gloomy, or even sexual in nature. Groaning episodes can last anywhere from two to 49 seconds and may repeat for a few minutes up to an hour, occurring several times a night. Catathrenia can happen during REM sleep or non-REM sleep (stage 2) and is often mistaken for snoring. However, unlike snoring, catathrenia is not related to breathing issues.
The exact cause of catathrenia is currently unknown, but it is believed to be related to individual factors such as dysfunctional neurons in the brain, specifically in the respiratory center, small upper airways, small jaws, and limited airflow upon exhalation. People with catathrenia may also exhibit low-diversity salivary microbiota, which refers to the collection of bacteria, fungi, and viruses in saliva. While the disorder typically starts in childhood, it can last for years and affects young men more than women.
Diagnosis of catathrenia is usually made through a sleep study called a polysomnogram or polysomnography. This testing reveals that catathrenia is associated with a slightly decreased heart rate and moderately positive intraesophageal pressure. The groaning episodes typically end with a snort, sigh, or grunt, followed by a rebound in heart rate and, in some cases, arterial pressure. While there is no known effective therapy for catathrenia, treatment options include CPAP therapy, oral appliances, and, in some cases, surgery.
If you believe you may have catathrenia or another sleep disorder, it is recommended to consult a healthcare professional or a sleep specialist for proper diagnosis and treatment options. They may suggest a sleep study to monitor your sleep patterns and determine the nature of your sleep disorder. Additionally, if your sleep partner or family members are disturbed by your sleep-related groaning, consider implementing strategies such as the use of earplugs or "white noise" generators to minimize the impact on their sleep quality.
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Nightmares: intense dreams causing anger, anxiety or fear
Nightmares are scary, stressful, or threatening dreams that wake you up, often with feelings of worry, anger, or fear. While the exact causes of nightmares are unknown, they are thought to be linked to emotional processing and the brain's attempt to consolidate memories.
Anxiety and nightmares can feed off each other, creating a cycle that is challenging to break. Nightmares can be recurrent, with similar themes, and can significantly impact a person's sleep quality and daily life. People with chronic stress and anxiety are more prone to developing a nightmare disorder.
Stress, anxiety, and traumatic experiences can trigger nightmares. For instance, people with post-traumatic stress disorder (PTSD) often experience frequent and intense nightmares, reliving traumatic events, which exacerbates their symptoms and contributes to insomnia. Certain medications and substances that affect the nervous system can also increase the likelihood of nightmares.
If you are experiencing frequent nightmares that are disrupting your sleep and daily life, it is important to seek professional help. Sharing your experiences with a trusted loved one can also help reduce the burden of anxiety and improve your symptoms.
Additionally, poor sleep habits have been linked to increased stress, anxiety, and depression, so it is crucial to practice good sleep hygiene. However, it is worth noting that exercise should be done at least an hour before bedtime as it can release endorphins and raise body temperature, making it harder to fall asleep.
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Sleep deprivation: lack of sleep can cause irritability
Sleep is essential for our overall health and well-being. A good night's sleep is vital for healthy brain function and physical health. When we don't get enough sleep, we can become tired, grumpy, and irritable. We may also find it difficult to concentrate, lack energy, and become more easily frustrated.
Research has shown that sleep deprivation can negatively impact human cognition and overall brain performance. It can also affect other organ systems in the body. Studies have found a link between sleep deprivation and mental health issues, including anxiety, depression, and mood swings. Sleep loss can also lead to anger and irritability.
A study from Iowa State University found that individuals who lost just a few hours of sleep over two consecutive nights became angrier and less capable of adapting to frustrating situations. The results indicated that sleep-deprived participants showed a trend toward "increased anger and distress, essentially reversing their ability to adapt to frustrating conditions over time."
Additionally, long-term sleep deficiency can increase the risk of chronic health problems such as heart disease and diabetes. It can also affect our mood, and our mood can further impact our sleep quality. People who are sleep-deprived often report increases in negative moods, such as anger, frustration, irritability, and sadness, while also experiencing decreases in positive moods.
To improve sleep quality, it is recommended to establish a consistent sleep routine, avoid caffeine and alcohol close to bedtime, and ensure a comfortable and relaxing sleep environment.
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REM sleep behaviour disorder: acting out, shouting, or making aggressive movements in response to a dream
Being mean in your sleep could be a result of several factors, one of which is REM sleep behaviour disorder. This is a parasomnia, or sleep disorder, in which you physically act out your dreams while being unaware of your actions. This can include shouting, screaming, using vulgar language, or making aggressive movements such as punching or kicking. The symptoms of REM sleep behaviour disorder can vary in severity, and they may occur once during a sleeping period or several times. They can also happen every time you sleep or just occasionally.
During normal REM sleep, the body experiences temporary muscle paralysis, or atonia, while the brain shows activity similar to wakefulness. This allows us to dream safely, as we lie still while our brains are active. However, for individuals with REM sleep behaviour disorder, this paralysis does not occur during the REM stage, enabling them to physically act out their dreams. This can result in sleep-related injuries to oneself or one's bed partner, especially if acting out a violent nightmare.
To receive a diagnosis of REM sleep behaviour disorder, one must undergo an in-lab video sleep study or polysomnogram (PSG). These sleep studies record specific body functions during sleep, such as heart rate, breathing rate, brain wave activity, eye movements, and muscle movements. According to the International Classification of Sleep Disorders, a diagnosis of REM sleep behaviour disorder requires the following criteria: repeated episodes of sleep-related vocalization and/or complex movement behaviours that occur during REM sleep, as confirmed by a sleep study or clinical history; the presence of REM sleep without atonia, or muscle paralysis; and the exclusion of other potential causes, such as medication side effects or substance abuse.
If you believe you may have REM sleep behaviour disorder, it is important to consult a healthcare provider, who can recommend a sleep study and suggest treatment options. Creating a safe sleeping environment is essential to prevent injuries. Additionally, ensuring a consistent sleep schedule, limiting screen time before bed, and maintaining a relaxed state can help improve sleep quality and potentially reduce the symptoms of REM sleep behaviour disorder.
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Frequently asked questions
You may be experiencing parasomnia, a sleep disorder that causes abnormal behaviour while sleeping. This can include sleepwalking, sleep talking, groaning, and even aggressive movements and shouting. Parasomnias can be caused by a variety of factors, including stress, sleep deprivation, and certain medications.
Symptoms of parasomnia can include sleepwalking, sleep talking, groaning, and abnormal movements or behaviours during sleep. Some people with parasomnia may also experience night terrors, sleep paralysis, or bedwetting. It's important to note that not everyone with parasomnia will exhibit the same symptoms, and the severity of symptoms can vary.
If you think you may have parasomnia, it's important to consult a medical professional for a proper diagnosis and treatment plan. Treatment options may include medication, cognitive-behavioural therapy, and lifestyle changes such as improving sleep hygiene, reducing stress, and establishing a consistent sleep schedule. It's also important to ensure your sleeping environment is safe and comfortable, both for yourself and your bed partner.
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