
Screaming in your sleep can be caused by night terrors, a kind of parasomnia or sleep disorder. Night terrors are characterised by screaming, flailing, crying, or experiencing intense fear while sleeping. They usually occur during non-rapid eye movement (non-REM) sleep, which is when you are in a state between dreaming and waking. Unlike nightmares, people generally do not recall night terrors and often do not fully wake up during the episode. While night terrors are most common in children, they can also occur in adults and may indicate an underlying neurological, psychiatric, or sleep disorder. If you or someone you know is experiencing night terrors, it is important to seek professional help to address any underlying conditions and improve sleep quality.
| Characteristics | Values |
|---|---|
| Frequency | Occasional, or every night or multiple times per week |
| Causes | Stress, trauma, sleep disorders, neuroses, psychiatric disorders, bipolar disorder, anxiety, depression, caffeine, sleep paralysis, neurodegenerative diseases |
| Treatment | Therapy, medication, reducing stress, improving sleep, removing sleep disruptors, addressing underlying conditions |
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What You'll Learn
- Night terrors are a common cause of screaming in sleep, especially in children
- Sleep disorders, such as REM sleep behaviour disorder, can cause screaming
- Adults experiencing night terrors may have an underlying neurological issue
- Stress and trauma are known causes of nightmares, which can lead to screaming
- Sleep paralysis can cause screaming upon waking, but it usually doesn't last long

Night terrors are a common cause of screaming in sleep, especially in children
Night terrors, or sleep terrors, are a common cause of screaming in sleep, especially in children. They are a type of sleep disorder or parasomnia, characterised by behaviours or events that disrupt sleep. Night terrors are partial awakenings from slow-wave sleep, where one exhibits signs of extreme stress, such as screaming, flailing, crying, or experiencing intense fear while sleeping.
Night terrors are more common in children, affecting about 30%-40% of children, with children often outgrowing them by their teenage years. They are quite rare in adults, and if they occur, they may indicate an underlying neurological disorder, sleep disorder, psychiatric disorder, or trauma.
People who experience night terrors are usually not fully conscious and do not remember the episode. They may sit up or bolt out of bed, screaming, and exhibit other physical symptoms such as rapid breathing, sweating, a racing heart, and enlarged pupils. Unlike nightmares, which occur during REM sleep and are usually remembered in detail, night terrors typically happen during non-REM sleep, and are not easily recalled.
If you or your child are experiencing night terrors, it is recommended to speak to a healthcare provider or therapist, especially if it interferes with day-to-day life. Treatment options include addressing underlying conditions, reducing stress, improving sleep, and making lifestyle changes.
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Sleep disorders, such as REM sleep behaviour disorder, can cause screaming
Sleep disorders can cause people to scream in their sleep without remembering. One such sleep disorder is REM sleep behaviour disorder (RBD). RBD is a parasomnia, a sleep disorder that involves unusual and undesirable physical events or experiences that disrupt sleep. It is characterised by sudden body movements and vocalisations, including screaming, while a person experiences vivid dreams during REM sleep. People with RBD are not aware of their behaviours during sleep and often only find out about their condition when told by a bed partner or roommate.
RBD is a relatively rare sleep disorder, affecting between 0.5 to 1 percent of adults, with men and adults over 50 years of age being more commonly affected. The average age of onset is 61 years, and it can also occur in children, although this is rare. RBD can develop suddenly or gradually, but symptoms typically worsen over time. Episodes can occur once or multiple times during the night, and they may happen a few times a year or every night.
The symptoms of RBD can vary in severity. People with RBD may experience mild muscle twitches or more pronounced limb movements such as punching, flailing, kicking, sitting up in bed, or jumping out of bed. They may also vocalise, including talking, yelling, or screaming, and these vocalisations may involve the use of vulgar language. The symptoms tend to be more severe if a person is acting out a violent nightmare, and the violent nature of these movements can put individuals and their bed partners at risk of physical injury.
RBD is often associated with other neurological or neurodegenerative disorders, including Parkinson's disease, Lewy body dementia, and multiple system atrophy. About 97% of people with isolated RBD will develop one of these neurodegenerative conditions within 14 years of diagnosis. Treatment for RBD can help reduce symptoms and prevent injury. A sleep study can be conducted to understand the root causes of the disorder, and lifestyle changes may also help reduce occurrences.
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Adults experiencing night terrors may have an underlying neurological issue
Night terrors, or screaming in your sleep, can be distressing for both the person experiencing them and those around them. While they are generally harmless, they can be indicative of an underlying issue. Night terrors are characterised by screaming, flailing, crying, or experiencing intense fear while sleeping. They are often mistaken for nightmares, but there are key differences. Unlike nightmares, people generally do not wake up during night terrors and often do not remember them the next morning. They also occur during non-rapid eye movement (non-REM) sleep, which is when you are in a state between dreaming and waking.
While night terrors are most common in children, affecting about 30-40% of children between the ages of 2 and 6, adults can experience them too. In fact, night terrors in adults may suggest an underlying neurological issue. Adults who experience night terrors may be working through trauma or another emotional upset. Research has found that night terrors past the childhood years are associated with sleep disorders, neuroses, and psychiatric disorders. Adults who have night terrors are more likely to live with depression, bipolar disorder, or anxiety. They are also more common among adults with neurodegenerative diseases like Parkinson's disease, Lewy body dementia, or multiple system atrophy.
If you or someone you know is experiencing night terrors, it is important to seek professional help. A healthcare provider can help determine if there is an underlying condition causing the night terrors and address those concerns. Treatment options may include therapy to cope with stress or trauma, lifestyle changes, or, in some cases, medication. It is also important to note that stimulants like caffeine can trigger night terrors if consumed within 5 hours of bedtime. Therefore, making simple changes such as replacing coffee with a caffeine-free drink can help reduce the occurrence of night terrors.
Additionally, it may be helpful to track the time of night when the night terrors occur. If they happen at the same time every night, setting an alarm to wake up 15-20 minutes before the expected time can help decrease the risk of experiencing a night terror. While it may be unsettling to experience or witness night terrors, it is important to remember that help is available, and there are effective ways to manage these symptoms.
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Stress and trauma are known causes of nightmares, which can lead to screaming
Night terrors, or screaming in your sleep, can be distressing for both the person experiencing them and those around them. While they are generally harmless, they can be indicative of an underlying condition or sleep disorder. Night terrors are characterised by screaming, flailing, crying, or experiencing intense fear while sleeping, and usually occur during non-rapid eye movement (non-REM) sleep, when a person is in a state between dreaming and waking. People experiencing night terrors are not fully conscious and typically do not remember the episode.
While night terrors are more common in children, they can also occur in adults and may be associated with neurological, sleep, or psychiatric disorders. Adults experiencing night terrors may be working through trauma or emotional distress. If you or someone you know is experiencing night terrors, it is important to seek professional help, especially if it interferes with day-to-day life. Treatment options may include addressing underlying conditions, such as stress or trauma, and making lifestyle changes to improve sleep quality.
It is worth noting that parasomnias, which include sleep terrors, sleepwalking, and sleep paralysis, can cause disruptions in sleep. These events can be stressful and emotionally taxing, impacting an individual's daytime activities and well-being. If you or a loved one are experiencing parasomnias, seeking professional help is recommended to improve sleep quality and overall health.
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Sleep paralysis can cause screaming upon waking, but it usually doesn't last long
Sleep terrors, or night terrors, are a common cause of screaming upon waking. Sleep terrors are a type of parasomnia, or sleep disorder, that occurs when someone wakes up suddenly in a state of fear or fright. They may scream or cry and experience symptoms such as a racing heart rate, dilated pupils, fast breathing, and sweating. Sleep terrors usually only last for a brief period, typically around 30 seconds, but they can last up to a few minutes. They are more common in children but are quite rare in adults, where they may suggest an underlying neurological disorder or other mental health condition.
Sleep paralysis is another parasomnia that can cause someone to scream upon waking. Sleep paralysis occurs when someone is unable to move their body or speak as they are falling asleep or upon waking up. This condition can induce feelings of fear and panic, which may lead to screaming. Sleep paralysis episodes typically last only a few seconds to a few minutes, and the individual may be jolted out of it if someone speaks to or touches them.
While sleep paralysis and sleep terrors can cause screaming upon waking, it is important to note that they usually do not last long. If you or someone you know is experiencing these issues, it is recommended to consult a healthcare provider for guidance and support.
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Frequently asked questions
You may be experiencing night terrors, a kind of parasomnia or sleep disorder. Night terrors are characterised by screaming, flailing, crying, or experiencing intense fear while sleeping. They usually occur during non-rapid eye movement (non-REM) sleep, which is when you are in a state between dreaming and waking. People who experience night terrors rarely remember them.
Night terrors are most common in children, with 30% of children experiencing them. However, they can also occur in adults, though it is quite rare.
Night terrors in adults could be indicative of an underlying neurological disorder, sleep disorder, trauma, or other emotional upset. They are also associated with depression, bipolar disorder, or anxiety.
If you are experiencing night terrors, it is important to consult a healthcare professional or a therapist. They can help you understand the root causes and provide treatment options. Some general recommendations include reducing stress, ensuring adequate sleep, and establishing a relaxing bedtime routine.
If you witness someone experiencing a night terror, it is important to remain calm and provide comfort if needed. Efforts to wake them up or console them may not work, and they might not remember the episode.























