Is Sleep Paralysis Dangerous, And Can It Kill You? Exploring The Possibilities

June 23, 2023 (Last updated on: July 19, 2023)
A demonic creature hovering over a bed

Sleep paralysis is a relatively common sleep disorder affecting millions worldwide. If you’re one of the many people who experience sleep paralysis episodes, you may wonder if this condition can kill you.

This article explores the possibilities and looks closely at sleep paralysis, its causes, and treatment options.

What Is Sleep Paralysis?

Sleep paralysis occurs when your brain prevents your muscles from moving during REM (rapid eye movement) sleep, which is the stage of sleep where most dreaming occurs. During this stage, your body is paralyzed, preventing you from acting out your dreams. However, in some cases, people experience sleep paralysis when falling asleep or waking up. This can be a frightening experience, as sufferers are awake but unable to move or speak.

Understanding Sleep Paralysis

Sleep paralysis is a phenomenon that occurs when a person is temporarily unable to move or speak while falling asleep or waking up. This condition results from the brain and body’s mechanisms during REM (Rapid Eye Movement) sleep. REM sleep is the stage of sleep where most dreaming happens. Our brain inhibits most voluntary muscle activity to prevent us from physically acting out our dreams, paralyzing us during this stage. In some cases, this paralysis persists as an individual wakes up or falls asleep, leading to an episode of sleep paralysis.

The Experience of Sleep Paralysis

Experiencing sleep paralysis can be a frightening and confusing event. Individuals are conscious and aware of their surroundings but cannot move or speak. Some may also experience hallucinations during these episodes, further intensifying fear and confusion. These might include sensing a presence, feeling pressure on the chest, or seeing shadowy figures.

Types of Sleep Paralysis

There are two types of sleep paralysis, categorized based on their connection to other sleep disorders:

  1. Isolated Sleep Paralysis (ISP): This type of sleep paralysis occurs independently, without the presence of other sleep disorders. It’s called “isolated” because the episodes of paralysis are not linked to any other known sleep-related condition.
  2. Classic Sleep Paralysis: This type of sleep paralysis is associated with other sleep disorders, such as narcolepsy or sleep apnea. In these cases, sleep paralysis is considered a symptom of the more considerable sleep disorder.

Both types involve similar causes: REM sleep disruptions and muscle control issues during the sleep-wake transition. Factors that might increase the risk of sleep paralysis include sleep deprivation, irregular sleep schedules, stress, and certain mental health disorders, such as anxiety and depression. Despite the terror it can cause, sleep paralysis is generally considered harmless from a medical standpoint. However, frequent episodes or those causing significant distress may warrant medical attention.

Can Sleep Paralysis Kill You?

While sleep paralysis can be a frightening experience, it is rarely life-threatening. No evidence suggests that sleep paralysis can directly cause death or physical harm. However, the dangers of recurrent sleep paralysis should not be ignored.

The Fear Factor: Can Sleep Paralysis Be Deadly?

While the experience of sleep paralysis can be highly unsettling, it’s important to note that it is not directly life-threatening. There is no scientific evidence to suggest that sleep paralysis itself can cause death or physical harm. Despite the extreme fear and discomfort that can accompany an episode of sleep paralysis, the condition itself is generally considered benign.

Dangers of Recurrent Sleep Paralysis

Recurrent sleep paralysis, particularly Recurrent Isolated Sleep Paralysis (RISP), where episodes occur independently of any other sleep disorder, can have a profound psychological impact. Experiencing multiple attacks over time can lead to heightened anxiety, particularly related to falling asleep.

This fear and stress can result in avoidance behavior, leading to disrupted sleep patterns, frequent night awakenings, and potentially chronic sleep deprivation. Over time, these sleep disturbances can significantly negatively impact physical and mental health.

Mental Health Consequences of RISP

Individuals with RISP often report increased anxiety and depression, along with a fear of falling asleep due to the anticipation of another episode. This fear can exacerbate sleep deprivation, creating a vicious cycle of anxiety and disrupted sleep.

Sleep Paralysis and Other Sleep Disorders

Sleep paralysis can also be a symptom of other sleep disorders, such as sleep apnea or narcolepsy. Therefore, recurring episodes of sleep paralysis may warrant a broader investigation into a person’s sleep health. Some individuals may also experience physical discomforts, such as muscle pains and irregular breathing patterns, during episodes of sleep paralysis.

Given these potential complications, anyone experiencing frequent episodes of sleep paralysis or who finds the condition significantly distressing should consider seeking medical advice. Treatment options can help manage any underlying conditions contributing to sleep paralysis and provide strategies to improve sleep hygiene and manage associated anxiety.

Sleep Paralysis and Mental Health

Furthermore, evidence suggests a correlation between recurrent sleep paralysis and certain mental health disorders, particularly anxiety. The fear and stress triggered by sleep paralysis can exacerbate existing mental health issues or potentially contribute to the development of such conditions.

In cases where sleep paralysis is causing significant distress or sleep disruption, it would be advisable to seek medical advice. While sleep paralysis can’t be cured, treatment can help manage any underlying conditions contributing to the episodes and provide strategies to improve sleep hygiene.

Treating Sleep Paralysis

Understanding Treatment Options for Sleep Paralysis

If you’re dealing with sleep paralysis, several strategies and treatment options can help manage and possibly reduce the occurrence of episodes. The best approach will depend on the individual’s specific circumstances, including the frequency of the attacks, any other sleep disorders, and the impact of the episodes on the person’s overall well-being.

Improving Sleep Hygiene

Sleep hygiene refers to the habits and practices contributing to good quality sleep and full daytime alertness. Enhancing your sleep hygiene can be a practical first step in managing sleep paralysis. Key elements of good sleep hygiene include:

  • Regular Sleep Schedule: Keeping a consistent sleep schedule, meaning you go to bed and wake up at the same time every day, can help regulate your body’s internal clock and improve the quality of your sleep.
  • Healthy Lifestyle Choices: Avoiding stimulants like caffeine and alcohol, particularly in the hours leading up to bedtime, can help improve sleep quality. Similarly, regular physical activity can promote better sleep.
  • Relaxation Techniques: Progressive muscle relaxation, deep breathing, or meditation can help reduce anxiety and create a calm mindset conducive to sleep.

Therapeutic Approaches

For individuals experiencing recurrent sleep paralysis, therapeutic interventions may be beneficial. Cognitive-behavioral therapy (CBT), for example, can help individuals manage the anxiety associated with sleep paralysis, thereby potentially reducing the frequency of episodes.

Consulting a Sleep Specialist

If sleep paralysis continues to be a problem despite efforts to improve sleep hygiene and manage anxiety, it may be beneficial to consult a board-certified sleep specialist. A specialist can provide a more detailed evaluation, potentially identifying any underlying sleep disorders contributing to the episodes of sleep paralysis. Based on this evaluation, the specialist can recommend appropriate treatment options, including medications or therapies specific to the identified sleep disorder.

Other Sleep Disorders That Can Cause Sleep Paralysis

Sleep paralysis can often occur in conjunction with other sleep disorders. Understanding these related conditions can provide insight into the complex dynamics of sleep and the potential triggers of sleep paralysis.

Sleep Apnea

Sleep apnea is a common sleep disorder characterized by repeated interruptions in breathing during sleep. These interruptions can lead to fragmented sleep and lower sleep quality, which may increase the likelihood of experiencing sleep paralysis. Sleep apnea comes in two primary forms: Obstructive Sleep Apnea (OSA), caused by the blockage of the upper airways, and Central Sleep Apnea (CSA), due to the brain not sending proper signals to the muscles controlling breathing.


Narcolepsy is a neurological disorder that affects the control of sleep and wakefulness. Individuals with narcolepsy often experience excessive daytime sleepiness and sudden, uncontrollable episodes of falling asleep. One of the critical characteristics of narcolepsy is the intrusion of REM sleep at inappropriate times. Since sleep paralysis is linked to REM sleep, it’s unsurprising that people with narcolepsy have a higher incidence of sleep paralysis.

REM Behavior Disorder

REM behavior disorder (RBD) is when individuals physically act out their dreams during REM sleep. This contradicts the typical muscle atonia (paralysis) in REM sleep, which prevents us from acting out our dreams. While RBD and sleep paralysis may seem opposite—one involves excessive movement during sleep, the other the inability to move—they are both disorders of REM sleep and hence can coexist.

Seeking Professional Help

If you experience frequent episodes of sleep paralysis and suspect another sleep disorder may be present, seeking professional help is crucial. A healthcare provider or sleep specialist can thoroughly evaluate and guide you toward appropriate treatment options. Remember, proper diagnosis and treatment of these conditions can significantly improve sleep quality, daytime functioning, and overall quality of life.

Improving Sleep Hygiene To Prevent Sleep Paralysis

Good sleep hygiene, which refers to behaviors contributing to better sleep quality and daytime alertness, can be crucial in preventing sleep disorders such as sleep paralysis. Establishing a routine and creating an environment conducive to quality sleep can reduce the risk of experiencing sleep disturbances and improve overall well-being.

Establishing a Consistent Sleep Routine

One of the key aspects of good sleep hygiene is a consistent sleep routine. This means going to bed and waking up simultaneously each day, even on weekends or days off. Consistency helps regulate your body’s internal clock, known as your circadian rhythm, improving sleep quality and reducing the likelihood of sleep paralysis.

Creating a Comfortable Sleep Environment

The physical environment in which you sleep can significantly impact your sleep quality. A comfortable mattress and pillows, a cool room temperature, and darkness can all contribute to a more restful sleep. Some people also find white noise or a fan helpful.

Making Healthy Lifestyle Choices

Avoiding stimulants such as caffeine and alcohol, particularly in the hours leading up to bedtime, can also enhance sleep quality. These substances can interfere with your ability to fall asleep and the quality of your sleep during the night.

Reducing Screen Time

The light emitted by screens on electronic devices, such as smartphones, tablets, and computers, can interfere with your body’s natural sleep-wake cycle, especially if used shortly before bedtime. Reducing screen time in the evening can help your body better prepare for sleep.

Practicing Relaxation Techniques

Relaxation techniques such as progressive muscle relaxation, deep breathing exercises, meditation, or gentle yoga can help reduce anxiety and promote relaxation, making it easier to fall asleep and stay asleep. These practices can benefit those who struggle with sleep paralysis, as they can contribute to a more restful and undisturbed sleep.

Treating Sleep Disorders To Prevent Sleep Paralysis

If you suspect that you may have another sleep disorder, it’s essential to seek professional help. Sleep disorders such as sleep apnea, narcolepsy, and REM behavior disorder can increase the risk of experiencing sleep paralysis. Treating these conditions can help prevent sleep paralysis episodes from occurring.

Treatment options for sleep disorders may include:

  • Continuous Positive Airway Pressure (CPAP) therapy for sleep apnea
  • Medication to regulate sleep or treat other sleep disorders
  • Lifestyle changes such as weight loss or exercise
  • Talk therapy or stress management techniques

If left untreated, sleep disorders can lead to serious health problems, including high blood pressure, heart disease, and stroke.


In conclusion, sleep paralysis is a common phenomenon that can be alarming to those who experience it. While it is not dangerous and cannot kill you, recurrent sleep paralysis can negatively impact mental health and well-being. It is essential to understand the causes and risk factors associated with this condition and seek professional help if needed. By employing coping strategies and seeking support, individuals can manage their symptoms and prevent them from interfering with their daily lives.