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Sound sleep: new device aims to boost brain health with targeted tones

NCT ID NCT06669546

Recruiting now Symptom relief Sponsor: University of Bern Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a portable device that plays soft sounds during deep sleep to improve memory and slow cognitive decline in older adults. Sixty participants aged 60-85 with mild memory problems will use the device at home for two 4-week periods. The goal is to see if enhancing slow-wave sleep can protect the brain and reduce dementia risk.

What this could mean

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

Active substance
Phase-locked auditory stimulation (PLAS) via the SleepLoop device
What this could lead to
If it works, this could lead to an affordable, home-use treatment that helps maintain brain health and slows memory loss in older adults.
What could go wrong
This is an early-stage study with only 60 participants, and it tests a device over a short period. The real-world benefits may be small or not last long.

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.

Alzheimer disease Cognitive Dysfunction dementia subjective cognitive decline

As listed by the trial registrant

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

ALZHEIMER DISEASE COGNITIVE DECLINE COGNITIVE IMPAIRMENT, MILD MILD COGNITIVE IMPAIRMENT (MCI) SUBJECTIVE COGNITIVE DECLINE (SCD)

Contacts and locations

Locations

  • University Hospital of Old Age Psychiatry and Psychotherapy, University of Bern

    RECRUITING

    Bern, 3000 60, Switzerland

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