Why Do I Keep Clenching Fists in Sleep: Causes and Solutions

Published: Dec 10, 2023
Updated: Sep 13, 2024
Why Do I Keep Clenching Fists in Sleep: Causes and Solutions
In this article
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    9 min

    Do you find yourself subconsciously clenching your fist while in sleep? It is a common phenomenon that can affect people of all ages. This article explores the causes and solutions for clenching fists in sleep.

    By understanding the underlying causes and solutions that are available, you can alleviate this problem and improve your sleep quality.

    Key Takeaways
    Clenching fists during sleep can be caused by stress, depression, and medical conditions.
    Clenched Fist Syndrome is a rare neurological condition associated with severe emotional distress.
    Clenching fists during sleep can be linked to neurological conditions like epilepsy and rheumatoid arthritis.
    Treatment options for clenching fists during sleep include using hand splints, practicing relaxation techniques, and seeking therapy for emotional support.

    Causes of Clenching Fists in Sleep

    In most cases, clenching your fist in your sleep is perfectly normal. It is often a result of our brain activity while asleep where it stores and processes memories from the day. While it is usually nothing to worry about, if it is recurring or you wake up with pain, you may want to look into underlying causes.

    Sleep Disorders

    Certain sleep disorders may cause you to clench your fists while you are asleep. Clenching fists in sleep is thought to be associated with a sleep disorder such as sleep bruxism. Sleep bruxism is defined as teeth grinding or teeth clenching while asleep. Both actions activate the sensorimotor cortex of the brain, contributing to muscle tension.

    Stress and Anxiety

    Underlying stress and anxiety are also a possibility as to why you may be clenching your fists while you are asleep. When you are stressed or anxious, your body tenses up involuntarily, including your hand muscles. Thus, you may find yourself clenching your fist while sleeping, reflecting your emotional turmoil.

    Medications

    Certain medications, especially those affecting the nervous system or muscles, can have side effects that include muscle clenching or spasms.

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    Medical Conditions Related to Clenching Fists in Sleep

    When clenched fists occur during sleep, they can be associated with different types of neurological conditions and have various consequences on physical, emotional, and cognitive well-being.

    Conditions such as Parkinson’s disease, epilepsy, and other neurological disorders can cause involuntary muscle contractions, including fist clenching.

    Here are some other types of medical conditions:

    Clenched Fist Syndrome

    This rare neurological condition is characterized by emotional anxiety and by severe emotional distress and can lead to physical, emotional, and cognitive symptoms.

    Rheumatoid Arthritis (RA)

    Rheumatoid arthritis can affect sleep and lead to clenched fists during sleep, causing muscle pain and cramping.

    Palmar Reflex

    The palmar reflex can cause clenched fists during sleep, resulting in discomfort and muscle aches.

    Carpal Tunnel Syndrome

    A condition that causes numbing, tingling, and pain in the hand and forearm. It may cause muscle contractions while asleep, leading to fist clenching.

    Is there a link between sleep apnea and fist clenching?
    The surprising answer is they can be! Sleep apnea is a disruptive event that occurs in all stages of sleep. The apneic events are associated with arousal as well as sometimes a sense of struggle to breathe or suffocation. The experience of a struggle during sleep is associated with clenching of the jaw and other muscles such as the fist.
    Dr. June Seliber-Klein
    MD DABPN, Sleep Board Certified, Chief Medical Officer Ognomy Sleep
    human fist photography

    Diagnosis of Fist Clenching During Sleep

    When it comes to diagnosing the reason why your fist is clenched during sleep, you will need to determine what the underlying cause is. Whether it is stress or anxiety, physical conditions or medical conditions.

    Typically, a healthcare professionals conduct a comprehensive evaluation of your medical history and symptoms. They’ll ask you about any known causes or triggers for clenching fists while sleeping and inquire about any underlying medical conditions or medications that may contribute to this behavior.

    Physical examination is also a crucial part of the diagnostic process, where your doctor or healthcare professionals will observe your clenched fists and assess muscle tension. In some cases, additional tests such as X-rays, MRI scans, electromyography (EMG), and polysomnography may be conducted to further investigate the underlying causes of sleeping with clenched fists.

    When should I be worried about clenched fists while sleeping?
    The clenching of fists during sleep is very similar to clenching of your jaw and teeth grinding. This is often a sign of stress. You can have some discomfort in the forearm muscles or the hand if you sleep with your fists clenched for a prolonged portion of your sleep.
    Dr. June Seliber-Klein
    MD DABPN, Sleep Board Certified, Chief Medical Officer Ognomy Sleep

    Treatment and Coping Strategies

    Looking for effective ways to manage clenched fists during sleep? There are several treatment and coping strategies that can help alleviate this issue. Here are three options to consider:

    1. Use hand splints: Using hand splints can support a relaxed hand posture during sleep, preventing excessive fist clenching. This can help reduce muscle contractions during sleep and promote better sleep quality.

    2. Practice relaxation techniques: Incorporating relaxation techniques into your bedtime routine, such as deep breathing exercises or progressive muscle relaxation, can help reduce stress and anxiety levels. This can minimize the likelihood of clenching fists during sleep.

    3. Seek therapy or counseling: Therapy or counseling can provide emotional support and help you learn effective stress management techniques. By addressing underlying emotional distress, you can reduce clenched fists during sleep and improve overall well-being.

    Additional Strategies for Alleviating Clenching Fist While Sleeping

    To alleviate clenched fists while sleeping, consider incorporating regular physical activity into your daily routine. Engaging in activities such as walking, jogging, or yoga can help manage muscle tension and promote better sleep quality. Regular exercise not only helps release built-up stress and anxiety but also improves overall physical and mental well-being.

    Creating a soothing bedtime routine, avoiding stimulating activities before sleep, and ensuring a comfortable sleep environment are also important strategies for alleviating clenched fists while sleeping.

    Remember to consult with a healthcare professional for personalized advice and guidance.

    Conclusion

    In conclusion, clenched fists during sleep can be caused by factors such as stress, anxiety, and certain medical conditions. Fortunately, in most cases, it is not harmful. By implementing the proper treatment options and coping strategies, you will be able to alleviate this problem and improve your sleep quality.

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    FAQ

    Clenching your fist while sleeping often indicates underlying stress or anxiety. It can also be associated with sleep disorders such as bruxism.

    To stop clenching your fists at night, consider implementing strategies such as reducing stress, practicing healthy sleep hygiene and engaging in activities that promote muscle relaxation.

    Clenched Fist Syndrome (CFS) is a condition characterized by the involuntary clenching of one or both hands into a fist, often accompanied by pain, stiffness, and difficulty in extending the fingers.
    About authors
    Jessica Brown, a 29-year-old freelance copywriter passionate about human nature and deeply committed to promoting sleep and mental health awareness. Jessica holds a Master of Arts in Literary Studies from the National University of Singapore and a Bachelor's in Biology from the University of Cambridge.

    Anekar AA, Bordoni B. Palmar Grasp Reflex. [Updated 2022 Oct 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://ncbi.nlm.nih.gov/books/NBK553133/

    Simmons, B. P., & Vasile, R. G. (1980). The clenched fist syndrome. The Journal of hand surgery, 5(5), 420–427. https://doi.org/10.1016/s0363-5023(80)80071-2

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