Could a flickering light help Parkinson's patients sleep better?
NCT ID NCT07323121
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a special 40 Hz flickering light, used for 30 minutes each night for a week, can improve insomnia in people with Parkinson's disease. Thirty participants will be randomly assigned to receive either the 40 Hz light or a control light. The main goal is to see if the light improves sleep quality as measured by a standard sleep questionnaire.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
40 Hz flicker light device
What this could lead to
If it works, this could offer a simple, non-drug way to improve sleep for people with Parkinson's disease.
What could go wrong
This is a very small, early-stage trial with only 30 participants and a short 7-day treatment. Results may not apply to everyone, and the effect on sleep might be minimal or temporary.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
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