Most people lie perfectly still while they dream. People with REM sleep behavior disorder do not. They act out their dreams, sometimes with punches, kicks, shouts, or a leap out of bed. In one large clinic study, more than 8 in 10 patients had injured themselves or their bed partner at some point.

The good news is that injuries are largely preventable. A few changes to the bedroom, combined with the right medical care, can make nights much safer for everyone in the room.

What Happens in Normal Dream Sleep

Sleep runs in cycles. One stage, called REM (rapid eye movement) sleep, is when most vivid dreaming happens.

During REM sleep, the brain sends a signal that temporarily relaxes almost every muscle in the body. Doctors call this “REM atonia.” It works like a safety switch. Your brain can dream about running, but your legs stay still.

What Goes Wrong in REM Sleep Behavior Disorder

In REM sleep behavior disorder (often shortened to RBD), that safety switch fails. The muscles stay active during dreams, so the body moves along with the dream.

Common signs include:

• Talking, shouting, swearing, or laughing during sleep
• Punching, kicking, or flailing the arms
• Falling or jumping out of bed
• Dreams that are action-packed, often involving being chased or attacked, or defending someone
• Waking up and clearly remembering a dream that matches the movements

Episodes usually happen in the second half of the night, when REM sleep is longest. The person is asleep during the episode and is usually not aware of it. Often the bed partner is the first to notice.

RBD most often starts after age 50 and is more commonly diagnosed in men.

Why RBD Deserves a Doctor’s Attention

RBD is more than a strange sleep habit. There are two main reasons to take it seriously.

1. Injuries are common

A 2024 study followed 388 people with RBD that had no other known cause. The findings:

• 83% had injured themselves or a bed partner during sleep at some point
• About 1 in 5 had a severe injury, including broken bones and bleeding around the brain
• 18% kept having injuries at least once a month even with treatment
• Drinking alcohol and having more depressive symptoms were linked to a higher chance of injury

This was an observational study, so it shows links rather than proof of cause. Still, the message is clear. Safety steps matter, even when someone is already on medication.

2. RBD can be an early warning sign for brain conditions

When RBD appears on its own in an adult, it is often an early sign of a group of brain conditions linked to a protein called alpha-synuclein. These include Parkinson’s disease, dementia with Lewy bodies, and multiple system atrophy.

A 2023 review reported that the typical gap between an RBD diagnosis and the diagnosis of one of these conditions is about 8 years. This does not mean everyone with RBD will develop one of them, and the timeline varies a lot between people. It does mean regular follow-up with a doctor is important.

No treatment has yet been proven to prevent these conditions. Research is active, and some early findings suggest regular exercise may help protect the brain. People with RBD who want to know their risk can discuss it openly with their doctor and ask about research studies.

Other causes of RBD

Not every case is linked to a brain condition. RBD can also be:

• Triggered or worsened by certain medications, especially some antidepressants
• Linked to narcolepsy
• Associated with brain injury

Never stop a prescribed medication on your own. Talk to the doctor who prescribed it first.

How RBD Is Diagnosed

The only way to confirm RBD is an overnight sleep study in a sleep lab with video recording. This is called video polysomnography.

This matters because other conditions can look like RBD. Severe obstructive sleep apnea, for example, can cause thrashing and shouting during sleep. The treatment for sleep apnea is very different, so getting the right diagnosis comes first.

A home sleep test cannot diagnose RBD.

Making the Bedroom Safer: A Practical Checklist

The American Academy of Sleep Medicine (AASM) calls bedroom safety “critically important” for anyone with RBD. This is listed as a good practice statement, meaning experts agree it should be done for every patient. An international RBD expert group repeated the same advice in 2025.

Here is how to put that advice into practice.

Step 1: Remove anything that could become a weapon

This is the most important step.

• Remove firearms from the bedroom entirely. Store them locked and unloaded in another room.
• Remove knives, tools, and other sharp objects from the nightstand and bedroom.
• Move heavy or breakable items, such as glass lamps, water glasses, picture frames, and alarm clocks, out of arm’s reach.

Step 2: Soften the area around the bed

• Move nightstands and other furniture with sharp corners away from the bed.
• Pad the edges of furniture that cannot be moved.
• Pad the headboard.
• Place a thick rug, carpet, or soft mat next to the bed to cushion a fall.

Step 3: Lower the risk from falls

• Consider lowering the bed or placing the mattress on the floor, especially if falls are frequent.
• Some people use padded bed rails or bumpers. Choose padded versions so they do not become a new hard surface.
• Keep a clear path around the bed with no clutter, cords, or rugs that slide.

Step 4: Protect the bed partner

• If RBD is severe or not yet controlled, sleeping in separate beds or separate rooms is the safest choice. The AASM recommends this for severe, uncontrolled RBD.
• If sharing a bed, place a long body pillow or a row of pillows between partners as a minimum barrier.
• Partners can keep a note of episodes, including the time, what happened, and any injuries. This helps the doctor judge whether treatment is working.

Step 5: Think about windows and doors

People acting out a dream may try to escape or run. Commonly recommended precautions include:

• Moving the bed away from windows
• Using window locks
• Using heavy curtains or blinds in front of glass

Step 6: Address triggers you can control

• Limit alcohol, especially in the evening. Alcohol was linked to more sleep injuries in the 2024 study above.
• Ask your doctor to review all your medications, including over-the-counter ones.
• Ask about screening for sleep apnea and restless legs, which can disrupt sleep and complicate RBD.

Quick summary table

Area	What to do
Weapons and sharp objects	Remove from the bedroom
Furniture	Move away from the bed or pad the corners
Headboard	Pad it
Floor	Thick rug or mat beside the bed
Bed height	Lower the bed or use a floor mattress if falls happen
Bed partner	Separate beds for severe RBD, or a pillow barrier at minimum
Windows	Bed away from windows, locks, heavy curtains
Alcohol	Limit, especially at night

Medical Treatment Options

Safety steps protect you. Medication can reduce how often and how intensely episodes happen. Here is what the research says.

What the guidelines recommend

In 2023, the AASM published guidelines based on a full review of 148 studies covering 45 treatments. Every medication recommendation was rated “conditional.” This means the evidence is limited, and the choice should be made together with your doctor based on your health and preferences.

For RBD that occurs on its own, the AASM suggests:

• Clonazepam, a sedating medication in the benzodiazepine family
• Immediate-release melatonin
• Pramipexole, a medication that acts on the brain’s dopamine system
• Rivastigmine skin patch, for people who also have mild memory or thinking problems

For RBD caused by a medication, the AASM suggests stopping or switching that medication when it is safe to do so, under medical guidance.

Clonazepam

Clonazepam is one of the most studied options. A 2022 randomized trial compared clonazepam with prolonged-release melatonin for 4 weeks. Clonazepam reduced abnormal muscle activity during REM sleep on the sleep study. Melatonin did not. However, people taking clonazepam reported more daytime sleepiness and more depressive symptoms. Melatonin improved insomnia and daytime sleepiness.

Clonazepam needs extra care in older adults. It can cause morning grogginess, unsteadiness, falls, and memory problems. It can also worsen untreated sleep apnea.

Melatonin

Melatonin is often chosen first because it is generally well tolerated. The AASM guideline specifically suggests the immediate-release form.

The evidence is mixed. A 2025 pooled analysis of randomized trials in people with Parkinson’s disease found that melatonin improved overall sleep quality. It did not clearly change RBD symptom scores in that group. Response varies from person to person.

Melatonin is sold as a supplement, and product strength can vary between brands. Ask your doctor about the right form and dose before starting.

Newer options under study

Researchers are testing other treatments, but none are ready for routine use yet:

• Sodium oxybate: A small 2023 randomized trial in people with hard-to-treat RBD found that episodes dropped, but not by significantly more than with placebo.
• Probiotics: A 2025 pilot randomized trial in people with Parkinson’s disease found lower RBD symptom scores after 12 weeks. The study was small and needs to be repeated.

International experts noted in 2025 that there is still a large need for better-tolerated RBD treatments.

When to See a Sleep Specialist

Book an appointment if you or your partner notice:

• Acting out dreams, even once or twice
• Shouting, punching, or kicking during sleep
• Falling out of bed
• Any sleep-related injury

Seek urgent care right away after any head injury during sleep, especially in someone taking blood thinners.

Key Takeaways

• RBD happens when the brain’s normal “pause” on muscles during dreaming stops working.
• Injuries are common. More than 8 in 10 patients in a large study had a sleep-related injury.
• Bedroom safety is the first and most important step. Remove weapons and sharp objects, pad furniture, cushion the floor, and protect the bed partner.
• Diagnosis requires an in-lab sleep study with video.
• Medications such as melatonin and clonazepam can help, but the evidence is limited and each has trade-offs.
• RBD that appears on its own can be an early sign of certain brain conditions, so ongoing follow-up with a doctor matters.

Medical Disclaimer

This article is for general education only. It is not medical advice and does not replace a visit with a qualified healthcare provider. Do not start, stop, or change any medication without talking to your doctor. If you or a loved one has a sleep-related injury or a medical emergency, call 911 or go to the nearest emergency department.

---

References

1. Badran, A. S., Khelifa, H., & Gbreel, M. I. (2025). Exploring the role of melatonin in managing sleep and motor symptoms in Parkinson’s disease: A pooled analysis of double-blinded randomized controlled trials. Neurological Sciences, 46(9), 4155–4168. https://doi.org/10.1007/s10072-025-08221-8
2. Byun, J.-I., Shin, Y. Y., Seong, Y.-A., Yoon, S.-M., Hwang, K. J., Jung, Y. J., Cha, K. S., Jung, K.-Y., & Shin, W. C. (2023). Comparative efficacy of prolonged-release melatonin versus clonazepam for isolated rapid eye movement sleep behavior disorder. Sleep and Breathing, 27(1), 309–318. https://doi.org/10.1007/s11325-022-02572-8
3. Dodet, P. (2023). REM behavior disorder: When Parkinson’s disease meets Morpheus. Revue Neurologique, 179(7), 667–674. https://doi.org/10.1016/j.neurol.2023.08.005
4. Du, Y., Wang, L., Cui, Y., Xu, X., Zhang, M., Li, Y., Gao, T., Gao, D., Sheng, Z., Wang, S., & Tuo, H. (2025). Effect of probiotics supplementation on REM sleep behavior disorder and motor symptoms in Parkinson’s disease: A pilot study. CNS Neuroscience & Therapeutics, 31(7), e70541. https://doi.org/10.1111/cns.70541
5. During, E. H., Hernandez, B., Miglis, M. G., Sum-Ping, O., Hekmat, A., Cahuas, A., Ekelmans, A., Yoshino, F., Mignot, E., & Kushida, C. A. (2023). Sodium oxybate in treatment-resistant rapid-eye-movement sleep behavior disorder. Sleep, 46(8), zsad103. https://doi.org/10.1093/sleep/zsad103
6. During, E. H., Malkani, R., Arnulf, I., Kunz, D., Bes, F., De Cock, V. C., Ratti, P.-L., Stefani, A., Schiess, M. C., Provini, F., Schenck, C. H., & Videnovic, A. (2025). Symptomatic treatment of REM sleep behavior disorder (RBD): A consensus from the International RBD Study Group, Treatment and Trials Working Group. Sleep Medicine, 132, 106554. https://doi.org/10.1016/j.sleep.2025.106554
7. Howell, M., Avidan, A. Y., Foldvary-Schaefer, N., Malkani, R. G., During, E. H., Roland, J. P., McCarter, S. J., Zak, R. S., Carandang, G., Kazmi, U., & Ramar, K. (2023a). Management of REM sleep behavior disorder: An American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine, 19(4), 759–768. https://doi.org/10.5664/jcsm.10424
8. Howell, M., Avidan, A. Y., Foldvary-Schaefer, N., Malkani, R. G., During, E. H., Roland, J. P., McCarter, S. J., Zak, R. S., Carandang, G., Kazmi, U., & Ramar, K. (2023b). Management of REM sleep behavior disorder: An American Academy of Sleep Medicine systematic review, meta-analysis, and GRADE assessment. Journal of Clinical Sleep Medicine, 19(4), 769–810. https://doi.org/10.5664/jcsm.10426
9. Malkani, R. (2023). REM sleep behavior disorder and other REM parasomnias. Continuum: Lifelong Learning in Neurology, 29(4), 1092–1116. https://doi.org/10.1212/CON.0000000000001293
10. Yang, Y., Wang, J., Zhou, L., Liu, Y., Tang, S., Gong, S., Li, N., He, Z., Ni, J., Chan, J. W. Y., Chau, S. W. H., Wing, Y. K., & Huang, B. (2025). Sleep related injury and its correlates in isolated rapid eye movement sleep behavior disorder. Sleep Medicine, 126, 9–18. https://doi.org/10.1016/j.sleep.2024.11.032