
Screaming in sleep is often associated with night terrors, a kind of sleep disorder that is common in children but rare in adults. Night terrors are characterised by feelings of fear and agitation, with physical symptoms such as screaming, crying, fast heart rate, dilated pupils, violent movements, and sleepwalking. They usually occur during non-rapid eye movement (non-REM) sleep, when an individual is in a state between dreaming and waking. While the exact causes of night terrors are unknown, they can be triggered by factors such as caffeine consumption, alcohol intake, sleep deprivation, stress, and underlying medical or mental health conditions.
| Characteristics | Values |
|---|---|
| Frequency | Night terrors are common in children but rare in adults, with only 1-4% of adults experiencing them. |
| Causes | Underlying conditions such as sleep disorders, neurological disorders, psychiatric disorders, neuroses, depression, bipolar disorder, anxiety, sleep apnea, and high fever. Stimulants like caffeine and alcohol can also trigger night terrors. |
| Symptoms | Screaming, crying, fast heart rate, dilated pupils, fast breathing, sweating, sleepwalking, confusion, disorientation, slow speech, difficulty waking up, no memory of the incident. |
| Treatment | Addressing underlying conditions, improving sleep hygiene, reducing sleep disruptors, and seeking professional help if necessary. |
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What You'll Learn

Night terrors, a sleep disorder
Night terrors, a type of sleep disorder, are characterised by behaviours or events that disrupt sleep. They are usually brief, lasting around 30 seconds, but can last up to a few minutes. Night terrors are more common in children, but they can also occur in adults, especially those with underlying mental health conditions. They are often associated with other parasomnias, such as sleepwalking, sleep paralysis, and confusional arousals.
During a night terror, an individual may scream, cry, or exhibit signs of fear and agitation. They may experience a racing heart rate, dilated pupils, fast breathing, sweating, and violent movements. Night terrors typically occur during the first few hours of sleep, when an individual is in a state between dreaming and waking. They are often triggered by stress, sleep deprivation, or underlying illnesses.
The treatment for night terrors involves addressing the underlying causes. This may include improving sleep hygiene, such as maintaining a regular sleep schedule, avoiding stimulants like caffeine and alcohol, and eliminating sleep disruptions like bright lights or loud noises. In some cases, medication may be prescribed for a short period, typically anti-anxiety medications.
If you or someone you know is experiencing frequent night terrors, it is important to seek help from a healthcare provider. They can help identify triggers, manage underlying conditions, and recommend appropriate treatments. Night terrors can be distressing for both the individual experiencing them and their loved ones, so it is crucial to address them and improve overall sleep quality.
Additionally, setting an alarm to wake up before the usual time of occurrence can be a self-help strategy to reduce the risk of night terrors. However, this is only effective if the night terrors occur at the same time every night. It is also important to note that night terrors are different from nightmares. While nightmares involve scary dreams that are usually remembered, night terrors do not occur during dreams, and individuals typically have no memory of the incident.
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Sleepwalking
Screaming in sleep is often associated with night terrors, a kind of sleep disorder that is common in children but rare in adults. Night terrors are characterised by screaming, shouting, sitting up in bed, heavy breathing, a racing pulse, sweating, dilated pupils, and confusion upon waking. They usually occur during non-rapid eye movement (REM) sleep, when individuals are in a state between dreaming and waking.
Now, let's discuss sleepwalking, a common parasomnia often linked to night terrors. Sleepwalking, or somnambulism, involves individuals getting out of bed and moving around with their eyes open, despite being asleep. They may perform complex activities or actions they wouldn't normally do while awake. Sleepwalking usually occurs during the first 3 to 4 hours of a sleep cycle, in the slow-wave sleep stage, which is the deepest sleep stage.
Research suggests that there is a strong genetic component to sleepwalking and night terrors. Studies have found that individuals with these conditions are likely to have close family members with one or both conditions, especially among identical twins. Additionally, children whose parents were sleepwalkers were more likely to experience night terrors, and these terrors tended to persist for longer.
While sleepwalking and night terrors can be distressing and disruptive, they typically do not cause physical issues. However, if they interfere with sleep quality, pose a danger to oneself or others, or cause embarrassment, it is recommended to seek professional help. Treatment options may include addressing underlying conditions, improving sleep hygiene, and, in some cases, medication.
To reduce the occurrence of night terrors and sleepwalking, it is advisable to practice good sleep hygiene and minimise sleep disruptors. This may include reducing caffeine and alcohol consumption, maintaining a consistent sleep schedule, and creating a relaxing sleep environment. Additionally, setting an alarm to wake up before the usual time of a night terror can help prevent the episode.
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Underlying conditions
Screaming in sleep is usually associated with night terrors, which are more common in children but can also occur in adults. Night terrors are a kind of sleep disorder or parasomnia, occurring when an individual wakes up suddenly feeling scared and agitated. While the exact cause of night terrors is unknown, they are believed to be triggered by fear and agitation experienced in a dream. Night terrors typically occur during non-rapid eye movement (REM) sleep, when the individual is in a state between dreaming and waking.
In adults, night terrors may be symptomatic of underlying conditions or disorders. These can include neurological disorders, psychiatric disorders, sleep disorders, neuroses, and mental conditions such as depression, anxiety, and bipolar disorder. Adults who experience night terrors may also be working through trauma or emotional upset. Obstructive sleep apnea, a disorder characterised by disrupted breathing patterns during sleep, has also been linked to night terrors in adults.
In addition to addressing underlying conditions, the treatment of night terrors in adults may involve understanding the root causes through a sleep study or an evaluation with a psychiatrist. If a sleep disorder or psychiatric cause is ruled out, simple lifestyle changes may help reduce the occurrence of night terrors. These can include improving sleep hygiene by maintaining a regular sleep schedule, avoiding stimulants like alcohol and caffeine before bedtime, and eliminating sleep disruptions such as bright lights or loud noises.
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Sleep paralysis
Screaming in sleep can be a symptom of night terrors, a type of parasomnia, which is a sleep disorder characterised by behaviours or events that disrupt sleep. Sleep terrors usually cause the affected person to wake up suddenly feeling scared and can include screaming or crying in fright. Sleepwalking commonly occurs during a night terror episode, and the terror may last for a few seconds or minutes, typically during the first 3 to 4 hours of a sleep cycle.
Some people have reported screaming during sleep paralysis episodes, but the paralysis prevents them from making loud noises, and they may only be able to produce a moan or groan. Others have reported feeling like they were screaming but were unable to produce any sound. The level of awareness during sleep paralysis varies, with some people claiming to be completely awake and aware of their surroundings, while others have only partial awareness.
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Stress and long working hours
Screaming in sleep is usually associated with night terrors, a kind of sleep disorder that is common in children but rare among adults. Night terrors are characterised by screaming, shouting, crying, violent movements, and sleepwalking. They are often triggered by stress, sleep deprivation, alcohol consumption, caffeine intake, and underlying health issues.
If you or someone you know is experiencing night terrors due to stress and long working hours, there are several strategies that can help:
Identify Stress Triggers
Recognise and address the sources of stress in your life. This may involve making lifestyle changes, such as reducing work hours or finding healthier ways to manage stress. Practising relaxation techniques, such as deep breathing or meditation, can also help to reduce stress levels before bed.
Improve Sleep Habits
Establish a consistent sleep schedule by maintaining a regular bedtime and wake-up time. Aim for 7-9 hours of sleep each night to ensure adequate rest. Create a relaxing bedtime routine by avoiding caffeine and alcohol before bed, limiting screen time, and engaging in calming activities such as reading or taking a warm bath.
Seek Professional Help
If night terrors are frequent and interfering with your sleep quality or daily functioning, consider consulting a healthcare professional. A therapist or sleep specialist can help you identify underlying causes, address mental health concerns, and provide guidance on improving sleep habits.
Medication and Therapy
In some cases, medication may be prescribed to help manage night terrors, especially if they are caused by an underlying mental health condition. Cognitive behavioural therapy (CBT) can also be effective in treating sleep disorders and managing stress.
Remember, it is important to prioritise your sleep and well-being. By addressing stress triggers and improving sleep habits, you can work towards reducing the occurrence of night terrors and improving your overall sleep quality.
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Frequently asked questions
It could be a sign that they are experiencing a night terror. Night terrors are a kind of sleep disorder that is common in children but rare in adults. They are usually brief, lasting around 30 seconds, but can last up to a few minutes.
During a night terror, a person may scream or cry in fright, have a racing heart rate, dilated pupils, fast breathing, sweating, and violent movements. They may also sleepwalk or sit up in bed. After waking up, the person may still feel afraid for several minutes.
It is not recommended to wake someone up during a night terror as this can be dangerous. Instead, you should remove any potentially dangerous objects from around their bed and wait for the night terror to pass. If night terrors are frequent, a healthcare provider can help to identify the cause, avoid triggers, and manage any underlying conditions.















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