Key takeaways
- A nightmare and dream enactment are different events. Movement, injury, a possible seizure, or inability to wake normally needs prompt medical evaluation. 5 6
- Imagery rehearsal therapy changes the waking version of a recurring dream and rehearses it. It is not exposure, and a graphic account is never required. 1 4
- The AASM position paper recommends imagery rehearsal therapy; the 2023 VA/DoD guideline found insufficient evidence for or against it in PTSD nightmares, in Recommendation 33. Both are true, and they answer different questions. 1 2
- Prazosin has a mixed evidence story. A large 2018 trial in veterans found no benefit over placebo on its primary outcomes, and the VA/DoD guideline still gives a weak suggestion for nightmares specifically. 2 3
- Frequent nightmares are associated with suicidal thoughts in population studies. That is a reason to ask about safety directly, not a prediction about any one person. 8
- Stop the exercise if distress keeps rising, and treat choosing not to write as a valid safety decision.
A recurring nightmare is not always a message to decode. It can become a treatable sleep problem when it repeats, causes distress, leads to sleep avoidance, or harms daytime function. Nightmares can occur with PTSD, other mental-health conditions, medicines, substance withdrawal, sleep apnea, and sometimes without an obvious cause.
This article does not ask you to decide which diagnosis you have. It shows what treatment conversations exist and what nighttime events need a different evaluation.
First separate a nightmare from an unsafe event
A nightmare is a disturbing dream that usually wakes a person with enough awareness to remember at least part of it. Dream enactment is different: the person moves, shouts, punches, kicks, falls, or leaves the bed while acting out dream content. Night terrors, nocturnal panic, and seizures can also look different from an ordinary nightmare.
Injury, violent dream enactment, a possible seizure, new confusion, or inability to wake normally needs prompt medical evaluation. Remove sharp or breakable hazards and protect bed partners without restraining the sleeper. A clinician may need to evaluate REM sleep behavior disorder, seizures, medicines, apnea, or another cause. 5 6
Nightmares and suicide risk
Frequent nightmares are associated in population studies with suicidal thoughts and behavior. Association does not prove that nightmares cause suicide, and it cannot predict what one person will do. It is still a reason to ask directly about safety and not hide the problem. 8
If you have thoughts of suicide or self-harm, call or text 988 in the United States or use the 988 Lifeline chat. It is free, confidential, and available at all times. If there is immediate danger, an attempt, serious injury, or you cannot stay safe, call 911 or go to the nearest emergency department. Outside the United States, use your local crisis or emergency service. 7
What imagery rehearsal therapy does
Imagery rehearsal therapy, or IRT, changes the waking version of a recurring nightmare and rehearses the changed version. It is not exposure therapy, and it does not require a graphic trauma account. A person can skip the original story, use a few non-graphic words, and spend most of the exercise on the new version.
The AASM position paper recommends IRT for nightmare disorder and PTSD-associated nightmares. A randomized trial in women with sexual-assault-related PTSD used a structured treatment and found improvements in nightmares and sleep. That trial involved a specific population and supported treatment, not an unsupervised one-page handout. 1 4
The 2023 VA/DoD PTSD guideline reached a more cautious conclusion for PTSD-associated nightmares. Its Recommendation 33 found insufficient evidence to recommend for or against imagery rehearsal therapy, grouping it with exposure relaxation and rescripting therapy, imaging rescripting and reprocessing therapy, and NightWare. The two documents use different methods, evidence dates, and scopes. The honest public message is that IRT is an established behavioral option, but fit, support, and PTSD context matter. 2
A low-detail rescripting approach
The Nightmare Rescripting Sheet offers three choices: skip the original dream, name it with a few neutral words, or write a non-graphic outline. Choose one change point. Write a new version in the present tense with an ending that is safer, more controlled, or less distressing. The new dream does not need to be realistic or cheerful.
Stop the exercise if distress keeps rising, you become detached or disoriented, panic does not settle, self-harm thoughts appear, or function worsens. Contact the treating clinician for prolonged distress. Use 988 for a mental-health or suicide crisis in the United States. Use emergency care for immediate danger, serious injury, violent enactment, or a possible seizure.
This article does not set a universal number of minutes or daily practices. The reviewed protocols differ, and the correct dose may depend on the person and support available. The worksheet has a clinician-plan field instead.
Prazosin has a mixed evidence story
Prazosin is a prescription medicine approved for high blood pressure, not FDA-approved specifically for nightmares. Earlier studies were encouraging. A large 2018 trial in military veterans with chronic PTSD did not find benefit over placebo on its primary nightmare and sleep outcomes. 3
The 2023 VA/DoD guideline still gives a weak suggestion for prazosin for nightmares associated with PTSD while separating that question from treatment of overall PTSD symptoms. A weak suggestion is not a promise, and the trial conflict belongs in the conversation. Prazosin can lower blood pressure and cause dizziness or fainting. Do not start, stop, or change it because of this article. 2
Look for what may be feeding the problem
Ask whether nightmares began after a medicine change, a change in alcohol or cannabis use, worsening trauma symptoms, louder snoring or gasping, fever, a neurologic change, or a major sleep loss. A timeline does not prove cause. It helps a clinician decide what to examine.
If the nightmares are trauma-related, use the Trauma/PTSD door for full treatment options. If dream enactment is present, the priority is safety and evaluation rather than rescripting. If substance withdrawal may be present, do not use the sheet as a way to push through it.
A nightmare treatment should not become forced exposure
The rescripting task is to create and rehearse a changed dream, not to produce a detailed record of trauma. The reader controls the level of detail. A few words such as “trapped room” or “being chased” can be enough to locate the change point. The new version can begin just before the frightening moment and move toward escape, support, protection, or another ending.
If even a neutral label causes overwhelming distress or dissociation, the worksheet is not the right tool to use alone. Bring it to a trauma-informed clinician. Choosing not to write is a valid safety decision.
What a supported IRT plan may include
Protocols commonly include education about nightmares, choosing a target dream, writing a changed version, and repeated waking rehearsal. Exact session count and practice time differ. The Krakow trial used a structured intervention in women with sexual-assault-related PTSD, so its practice schedule cannot be assumed to fit every reader or every cause. 4
The sheet therefore records a clinician-defined practice plan. It does not print a universal ten-to-twenty-minute dose. The fourteen-day page can show occurrence and any approved practice without treating more minutes as a better score.
The PTSD guideline conflict changes the wording
The AASM position paper recommends IRT for nightmare disorder and PTSD-associated nightmares. The later VA/DoD PTSD guideline found insufficient evidence to recommend for or against IRT for PTSD nightmares, while strongly recommending several trauma-focused therapies for PTSD overall. 1 2
These statements are not resolved by choosing the more enthusiastic one. They answer overlapping but different questions with different methods. This article says IRT is an established option and asks PTSD readers to choose it with trauma-aware care. It does not promise that a one-page exercise treats PTSD.
Prazosin decisions require more than a positive or negative headline
The PACT trial was large and negative on its primary outcomes in military veterans. Earlier trials and later syntheses created a mixed body of evidence. The VA/DoD guideline’s weak suggestion for prazosin for PTSD-associated nightmares reflects that uncertainty and other decision factors. 2 3
A prescriber also considers blood pressure, dizziness, fainting, other medicines, falls, and the difference between a nightmare target and overall PTSD symptoms. A reader should not restart an old prescription, borrow medication, or change a dose because nightmares returned.
Build a differential without diagnosing yourself
Write whether the event was remembered as a dream, whether movement occurred, whether another person saw it, and whether there was injury. Note any new medicine, missed medicine, alcohol or cannabis change, fever, breathing pauses, or neurologic symptom. Avoid guessing at a diagnosis on the sheet.
Dream enactment, night terrors, nocturnal panic, and seizures lead to different assessments. A phone video may sometimes help a clinician, but do not record or approach a moving sleeper if doing so could put anyone at risk.
Make the sleep space safer while evaluation is pending
If kicking, punching, falling, or leaving bed has occurred, move sharp and breakable objects away, reduce fall hazards, and consider temporary separation from a bed partner if needed for safety. Do not physically restrain the sleeper. Environmental safety does not replace medical evaluation. 6
If a possible seizure occurred, note the observed event and recovery without forcing an interpretation. Use emergency care for a first or prolonged seizure, repeated seizures without recovery, serious injury, breathing trouble, pregnancy, or other immediate danger.
Decide which help route fits
Prolonged distress without immediate danger belongs with the treating clinician or an urgent mental-health appointment. A mental-health or suicide crisis in the United States belongs with 988. Imminent danger, a serious injury, severe breathing trouble, or a seizure emergency belongs with 911 or the emergency department. 7
Keeping these routes separate prevents a worksheet from sending every hard feeling to emergency care or, in the other direction, treating physical danger as routine distress.
When no single dream repeats
Some people have a theme rather than one identical nightmare. A clinician may still use rescripting, but the target and level of detail should be chosen carefully. Do not force several dreams into one worksheet or rehearse the most distressing event to make the exercise feel more legitimate.
If nightmares began suddenly in later life, arrived with new neurologic symptoms, or occur with witnessed movement, breathing pauses, or confusion, evaluate the cause before assuming a primary nightmare disorder. The distinction can change both safety and treatment.
Your next decision
Choose the right lane before practicing. Ordinary recurring nightmares may fit a clinician-supported rescripting plan. PTSD nightmares need trauma-aware care. Injury, violent enactment, or possible seizure needs medical evaluation. Self-harm thoughts need immediate crisis support. The sheet is optional, and stopping it is always allowed.
Print it: the Nightmare Rescripting Sheet (PDF, two pages), or all eleven sleep worksheets in one file (PDF, 24 pages). The sheet lets you skip the original dream entirely and still do the exercise.
Frequently asked questions
Do I have to write out the nightmare? No. You can skip the original dream, name it with a few neutral words, or write a short non-graphic outline. The work is in the new version, not in reliving the old one.
How long should I practice the new version? This article does not print a universal number of minutes, because the reviewed protocols differ and the right amount depends on the person and the support available. That field belongs to a clinician.
My nightmares come from trauma. Is this enough? Treat it as one piece of trauma-aware care rather than the whole plan. The guidance conflicts here, and PTSD has several strongly recommended trauma-focused treatments that a one-page exercise does not replace.
My partner says I kick and shout in my sleep. Is that a nightmare? That description is dream enactment, which is a different question. Move sharp and breakable objects away, protect the bed partner without restraining the sleeper, and ask for a medical evaluation.
Should I ask for prazosin? It is a reasonable conversation, not a promise. Ask the prescriber about the mixed trial evidence, blood pressure, dizziness and fainting, and whether the target is nightmares specifically. Never restart an old prescription or borrow someone else’s.
Related reading on NP FADY
- How PTSD is treated today
- Sleep was the first thing to change
- When the medicine is the sleep problem
References
1. Morgenthaler TI et al. Position Paper for the Treatment of Nightmare Disorder in Adults: An American Academy of Sleep Medicine Position Paper. Journal of Clinical Sleep Medicine, 2018. DOI 10.5664/jcsm.7178. DOI. PubMed.
2. U.S. Department of Veterans Affairs and Department of Defense. VA/DoD Clinical Practice Guideline for Management of Posttraumatic Stress Disorder and Acute Stress Disorder. VA/DoD, 2023. Source.
3. Raskind MA et al. Trial of Prazosin for Post-Traumatic Stress Disorder in Military Veterans. New England Journal of Medicine, 2018. DOI 10.1056/NEJMoa1507598. DOI. PubMed.
4. Krakow B et al. Imagery rehearsal therapy for chronic nightmares in sexual assault survivors with posttraumatic stress disorder: a randomized controlled trial. JAMA, 2001. DOI 10.1001/jama.286.5.537. DOI. PubMed.
5. Postuma RB et al. Antidepressants and REM sleep behavior disorder: isolated side effect or neurodegenerative signal? Sleep, 2013. DOI 10.5665/sleep.3102. DOI. PubMed.
6. Howell M et al. Management of REM sleep behavior disorder: an American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine, 2023. DOI 10.5664/jcsm.10424. DOI. PubMed.
7. 988 Suicide & Crisis Lifeline. 988 Suicide & Crisis Lifeline. Vibrant Emotional Health / SAMHSA, 2026. Source.
8. Sandman N et al. Nightmares as predictors of suicide: an extension study including war veterans. Scientific Reports, 2017;7:44756. DOI 10.1038/srep44756. DOI. PubMed.
This article is for education. It does not diagnose a condition, replace individual care, or promise services. Do not start, stop, or change any medicine without your prescribing clinician. Reading this does not create a clinician-patient relationship. Evidence checked September 8, 2026.
If you or someone you know is in crisis
- Call 911 or go to your nearest emergency room for any life-threatening emergency.
- 988 Suicide & Crisis Lifeline — call or text 988, or chat at 988lifeline.org, available 24/7, free and confidential. En español: marque 988 y oprima 2, o envíe AYUDA al 988. Deaf or hard of hearing: 988 videophone (ASL) or TTY 711 then 988. Veterans: 988 and press 1, or text 838255.
- Crisis Text Line — text HOME to 741741.
- The Trevor Project (crisis support for LGBTQ+ young people) — call 1-866-488-7386, or text START to 678-678.
- National Sexual Assault Hotline (RAINN) — call 1-800-656-HOPE (4673) or text HOPE to 64673; free, confidential, 24/7. Online chat at RAINN.org/hotline.
- National Domestic Violence Hotline — call 1-800-799-SAFE (7233) or text START to 88788; 24/7, help in 200+ languages. Online chat at TheHotline.org. If your phone or computer may be monitored, calling from a safer device is an option.
- Riverside County — Inland SoCal Crisis Helpline 951-686-HELP (4357), 24/7 (Inland SoCal United Way / 211+, in partnership with RUHS-BH); Community Access, Referral, Evaluation and Support (CARES) Line 800-499-3008, 24/7.
- San Bernardino County — Access Unit (Behavioral Health Helpline) 888-743-1478, 24/7; Mobile Crisis/CCRT 800-398-0018 (24/7, all ages) or text 909-420-0560. Arrowhead Regional Medical Center (ARMC) has a dedicated walk-in adolescent psychiatric ER (ages 13–17).
- Children under 13 — call 911 for immediate danger, contact your county's mobile crisis team (they respond to all ages), or go to the nearest pediatric emergency room.
- California Peer-Run Warm Line (non-crisis — someone to talk to) — call or text 1-855-600-WARM (9276); daytime and evening hours, not a 24/7 line.
- NP Fady (non-emergency) — for routine scheduling or questions, call (909) 707-6261. This line is not monitored for emergencies.