Pink noise at night may boost memory in early Alzheimer's
NCT ID NCT04570761
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tested whether playing a gentle sound called 'pink noise' during deep sleep could strengthen memory in people with early Alzheimer's disease. Nineteen participants wore a special headband that delivered the noise on some nights and not on others. The goal was to see if the noise helped them recall word pairs better the next morning.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
pink noise delivered via a Dreem headband
What this could lead to
If it works, this could point toward a simple, non-invasive way to help people with Alzheimer's remember better by improving sleep-related memory consolidation.
What could go wrong
This is a very small, early proof-of-concept study with only 19 participants. The results may not apply to everyone, and the effect on memory might be small or not last long.
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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Locations
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University Hospital of Tours
Tours, 37044, France