Evie Summers
Nocturnal seizures, or sleep seizures, occur when a person is asleep. They can happen while a person is falling asleep, during sleep, or when waking up. Nocturnal seizures are often unnoticed because the patient is asleep, but they can cause unusual nighttime behaviour, such as jerking motions, sleepwalking, or night terrors. If you think you might be having seizures in your sleep, it is important to speak to a healthcare professional, as they can be potentially dangerous and increase the risk of dying from epilepsy.
| Characteristics | Values |
|---|---|
| Occurrence | Seizures can happen while falling asleep, during sleep, or when waking up. |
| Awareness | The person having a seizure may not be aware of it. |
| Diagnosis | Sleep studies, MRIs, CT scans, and EEGs can be used to diagnose nocturnal seizures. |
| Risk Factors | Nocturnal seizures can increase the risk of death, injuries, and low blood oxygen levels. They can also affect sleep quality and overall health. |
| Treatment | Anti-seizure medications, lifestyle changes, and other therapies can help manage symptoms. Prompt treatment can reduce the risk of future seizures and complications. |
| Driving | In some cases, people with sleep seizures may still be able to drive, subject to certain conditions and approval from the relevant driving agency. |
| Sleep Position | Sleeping on the side or back is recommended to reduce the risk of choking during a nocturnal seizure. |
| Parasomnias | Sleep disorders such as parasomnias can sometimes be confused with seizures. |
| Sleep Deprivation | Sleep deprivation and fatigue are common among people with epilepsy and can trigger seizures. |
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What You'll Learn
Nocturnal seizures are often unnoticed
Nocturnal seizures, or sleep seizures, occur when a person is asleep. They can happen while a person is falling asleep, waking up, or during non-REM sleep. The exact reason for seizures during sleep is unknown, but it is believed that excessive hypersynchronous activity in the brain during sleep may contribute. Nocturnal seizures are often unnoticed because the patient is asleep when they occur. However, there are some signs that may suggest a person is experiencing nocturnal seizures. These can include abnormal noises, jerking motions, unusual sleepiness, headache, drooling, vomiting, or bedwetting in the morning.
Nocturnal seizures can be dangerous and increase the risk of dying from epilepsy, especially in the case of sudden unexpected death in epilepsy (SUDEP). SUDEP is when a person with epilepsy dies suddenly and unexpectedly, without any obvious cause. Nocturnal seizures can also make a person prone to injuries and lower their sleep quality, impacting their overall health and well-being. People who experience seizures during sleep are more likely to experience low blood oxygen during and after the seizure and continue to experience unusual brain activity afterward.
If you think you or someone you know might be having seizures during sleep, it is important to seek medical help immediately. A doctor can order tests, such as an overnight electroencephalogram (EEG) combined with a sleep study, brain MRI, blood tests, or heart scans, to confirm whether nocturnal seizures are occurring and determine their cause. Treatment can greatly reduce the risk of complications and future seizures. Anti-seizure medications can be very helpful, and in some cases, patients may no longer experience seizures. Surgery may be an option if medications cannot control the seizures.
To help manage nocturnal seizures, people can consider sleeping on their side or back. Sleeping on the stomach during a nocturnal seizure may cause choking or block airways. Additionally, setting up a video monitor or seizure alarm can be helpful in detecting seizures during sleep.
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They can be dangerous and cause injuries
Nocturnal seizures, or seizures that occur during sleep, can be dangerous and cause injuries. They can increase the risk of dying from epilepsy, and make a person prone to injuries. If you suspect that you or someone you know is experiencing nocturnal seizures, it is important to seek medical help immediately. Treatment can significantly lower the risk of complications.
People with epilepsy who experience seizures during sleep are more likely to experience low blood oxygen levels during and after the seizure. They are also more likely to continue experiencing unusual brain activity after the seizure. This can be frightening, but epilepsy is usually treatable. Controlling seizures through proper treatment can effectively reduce a person's risk of complications.
Supervision during sleep is crucial for people experiencing nocturnal seizures. Those who are not monitored while recovering from a seizure are at a higher risk of sudden unexpected death in epilepsy (SUDEP). Sleeping on the side or back is recommended, as stomach sleeping during nocturnal seizures may cause choking or blocked airways. If a person is having a seizure, they should be placed on their side to prevent choking on saliva or vomit. It is also important to time the seizure and call emergency services if it lasts for more than five minutes.
Nocturnal seizures can impact sleep quality, leading to fatigue and tiredness, which are common among people with epilepsy. Sleep deprivation can trigger seizures, creating a cycle that negatively affects overall health and well-being. Proper diagnosis and treatment are essential to manage epilepsy and reduce the risk of seizures and associated complications.
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They can affect sleep quality
Nocturnal seizures, or seizures during sleep, can affect sleep quality. Seizures can occur during the various stages of sleep, including the rapid-eye movement (REM) and non-rapid eye movement (non-REM) stages. REM sleep is important for the brain to process emotions, store memories, and relieve stress. Non-REM sleep is vital for restoring normal brain functions. Seizures during sleep can disrupt these essential processes, impacting overall health and well-being.
The impact of disrupted sleep due to seizures may be more pronounced in children with epilepsy. Sleep plays a crucial role in brain development, learning, and cognitive development in children. Seizures during sleep can interfere with these processes, potentially affecting their overall growth and well-being.
Additionally, nocturnal seizures can increase the risk of injuries and death, particularly in people with epilepsy. People experiencing seizures during sleep may be prone to choking, blocked airways, or falling out of bed, leading to physical harm. The risk of sudden unexpected death in epilepsy (SUDEP) is also heightened during nocturnal seizures, especially if the person sleeps alone or experiences tonic-clonic seizures.
Seizures during sleep can also result in unusual nighttime behaviors, such as waking up for no apparent reason, bedwetting, drooling, vomiting, or involuntary movements. These disruptions can further affect sleep quality and continuity. Moreover, the fear of experiencing seizures during sleep can contribute to anxiety and sleep deprivation, creating a cycle that exacerbates seizure triggers.
It is important to note that the relationship between sleep and epilepsy is bidirectional. Sleep deprivation and fatigue can trigger seizures in some individuals, while seizures can disrupt sleep patterns and quality. This complex interplay underscores the importance of effective seizure management and addressing sleep-related issues in individuals with epilepsy or seizure disorders.
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They can be treated with medication
Nocturnal seizures, or sleep seizures, occur when a person is asleep. They can happen while a person is falling asleep, during sleep, or as they are waking up. Nocturnal seizures are often unnoticed because the patient is asleep when they occur, but they can cause unusual nighttime behaviour such as waking for no reason, urinating while sleeping, and jerking and shaking of the body. They are linked to epilepsy and can increase the risk of dying from epilepsy. Nocturnal seizures can also make a person more prone to injuries and can cause low blood oxygen during and after the seizure.
If you think you might be having seizures in your sleep, it is important to talk to a healthcare professional. A specialist may recommend further tests, such as a sleep EEG to record brain activity during sleep, or Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) scans to identify where seizures are occurring in the brain. These scans can show scar tissue, tumours, or structural problems in the brain.
Seizures that occur during sleep can be treated with medication. Anti-seizure or anti-epileptic medications can be very helpful in lowering or preventing seizures. It may take a few tries to find the right medicine and dose, and doctors will monitor for side effects to determine the best treatment. In some cases, patients may not experience any more seizures for the rest of their lives. A vagus nerve stimulator (VNS) can also be implanted and used alongside anti-epileptic medication to lower seizures. The VNS is placed under the skin of the chest and sends electrical energy through the vagus nerve to the brain.
While medication can be effective, it is important to note that anti-seizure medications (ASMs) can have side effects and impact sleep. Some ASMs are sedatives and can cause tiredness, while others may cause insomnia or disrupted sleep. However, some ASMs can improve sleep quality by increasing the length of deep sleep. Surgery may be an option if medication cannot control the seizures.
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They can be diagnosed with a sleep study
If you suspect that you or someone you know is experiencing seizures during sleep, it is important to seek medical help. Nocturnal seizures can be dangerous and increase the risk of dying from epilepsy. They can also make a person more prone to injuries.
If you think you might be having seizures in your sleep, you should consult your healthcare provider. A specialist may recommend further tests, such as a sleep study or a sleep EEG, to confirm the diagnosis. During a sleep study, the patient stays overnight at a hospital, where their brain activity is monitored during sleep using techniques such as magnetic resonance imaging (MRI) and computed tomography (CT) scans. These scans can help identify the location of seizures in the brain and detect any structural abnormalities, scar tissue, or tumors.
Sleep EEG (electroencephalogram) is another tool used to record brain activity during sleep. It can help distinguish between nocturnal seizures and other sleep disorders, as certain sleep disorders can mimic the symptoms of epilepsy. For example, benign neonatal sleep myoclonus in infants involves involuntary jerking that may resemble a seizure, but an EEG would not typically show changes consistent with epilepsy in such cases.
Additionally, setting up a video monitor or a seizure alarm can be helpful in detecting nocturnal seizures. These alarms are sensitive to movements, so they can detect tonic-clonic seizures, which involve jerking and shaking of the body.
Once a diagnosis of sleep seizures is confirmed, a specialist can discuss treatment options. These may include adjustments to epilepsy medications, lifestyle changes, or other therapies to manage symptoms. Proper diagnosis and treatment can significantly reduce the risk of complications associated with nocturnal seizures.
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Frequently asked questions
Nocturnal seizures are seizures that occur when a person is asleep. They can happen while a person is falling asleep, during non-REM sleep, or when they are waking up. Nocturnal seizures are often linked to epilepsy and can cause unusual nighttime behaviour such as jerking motions, shaking, waking up for no reason, or urinating while sleeping.
If you think you might be having seizures in your sleep, it is important to speak to a healthcare professional. A specialist may recommend further tests, such as a sleep EEG or MRI scan, to monitor your brain activity while you sleep. It may also be helpful to set up a video monitor or seizure alarm to detect and record seizures.
Nocturnal seizures can increase the risk of injuries and death, including sudden unexpected death in epilepsy (SUDEP). People with nocturnal seizures may experience low blood oxygen during and after a seizure and are more likely to continue having unusual brain activity afterward. Nocturnal seizures can also impact sleep quality, causing lighter sleep and more frequent awakenings, which can subsequently affect overall health and well-being.
