Could head injuries trigger a strange sleep disorder? new study investigates

NCT ID NCT06270290

Recruiting now Knowledge-focused Sponsor: Guy's and St Thomas' NHS Foundation Trust Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This observational study is recruiting 140 people to see if a history of concussions or playing contact sports is more common in those with REM sleep behavior disorder (RBD) compared to those without. RBD causes people to physically act out their dreams. Participants will answer questions about past head injuries and sports. The goal is to understand possible links, not to test a treatment.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If this study finds a link, it could point to head injuries as a risk factor for RBD, helping with earlier detection or prevention.
What could go wrong: This is an early observational study, not a treatment trial. It cannot prove cause and effect, only show an association. Results may not apply to everyone.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Brain Concussion REM sleep behavior disorder traumatic brain injury

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CONCUSSION, BRAIN REM SLEEP BEHAVIOR DISORDER

Contacts and locations

Locations

Guy's & St Thomas' NHS Foundation Trust
RECRUITING

London, London, SE1 9RT, United Kingdom

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