What are the symptoms of REM Sleep Behavior Disorder?

Reviewed by Yoshinori Abe, MD

Internal Medicine

REM Sleep Behavior Disorder (RBD) is a sleep condition where people physically act out vivid dreams during the REM stage of sleep. Common symptoms include talking, shouting, punching, kicking, or sudden jerking movements while asleep. Unlike typical dreaming, the body's normal muscle paralysis during REM sleep is absent, allowing dreamers to move freely — which can lead to injuries to themselves or their bed partners. RBD is more common in older adults and may be an early warning sign of neurological conditions like Parkinson's disease.

If you or a loved one are experiencing symptoms like these, understanding the cause is the critical first step. Sleep disorders can overlap with other conditions, making self-diagnosis difficult and potentially delaying important care. Take a free, instant, online symptom check to get personalized insights based on your specific symptoms and clear guidance on what to do next.

Reviewed for medical accuracy: 07/20/2026

Important Next Steps

Discover likely REM sleep disorder causes Learn if these symptoms need care Find out if it could be REM sleep behavior disorder See OTC options for sleep symptoms Find a doctor for REM sleep disorder Understand medically valid REM sleep remedies Discover whether symptoms warrant urgent care

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Explanation

REM Sleep Behavior Disorder, or RBD, is a condition where people act out their dreams during the REM stage of sleep. This can include making loud noises, talking, yelling, or even getting out of bed and moving around. Sometimes, these movements can be violent, and people may accidentally hurt themselves or their bed partners.

Common Symptoms of RBD:

Vocal Sounds: Talking, shouting, or screaming while asleep.
Physical Movements: Punching, kicking, or jumping out of bed.
Vivid Dreams: Often these dreams are intense and feel very real.
Injuries: Due to sudden and sometimes violent movements, injuries can occur.

RBD is different from regular sleepwalking because it happens during the REM stage, which is when we usually dream. People with RBD might not remember their actions when they wake up, but they often recall the dreams they were having. If you or someone you know is experiencing symptoms of RBD, consider using our free AI symptom checker to help assess your condition and determine if you should seek further evaluation from a healthcare professional.

(References)

Matar E, & Lewis SJ. (2017). REM sleep behaviour disorder: not just a bad dream. The Medical journal of Australia, 28899330.
Barone DA, & Henchcliffe C. (2018). Rapid eye movement sleep behavior disorder and the link .... Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 29883833.
Olson EJ, Boeve BF, & Silber MH. (2000). Rapid eye movement sleep behaviour disorder. Brain : a journal of neurology, 10648440.

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