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App-Based sleep therapy shows promise for older adults with memory issues

NCT ID NCT05173844

Symptom relief Sponsor: Woolcock Institute of Medical Research Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study tested a mobile app called SleepFix that provides digital behavioral therapy for insomnia in 128 older adults aged 50+ who also had mild memory concerns. Participants either used the app or received online sleep health education. The goal was to see if the app could reduce insomnia severity and possibly improve thinking skills over 8 weeks.

What this could mean

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

Active substance
SleepFix mobile application (digital behavioural therapy for insomnia)
What this could lead to
If it works, this could offer a simple, non-drug way to improve sleep and possibly thinking in older adults with mild memory concerns.
What could go wrong
This is a small, completed study with 128 participants. The results may not apply to everyone, and the app requires a smartphone and willingness to use it.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

128 people

The number who actually took part.

Started

Nov 2022

Finished

Oct 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

50 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Aged 50 years and older * Insomnia Severity Index score ≥10 * Self-reported subjective cognitive impairment as defined as moderate subjective cognitive complaints (i.e. answers YES to have cognitive concerns OR thinking and memory skills are worse than same-age peers on the online screening) * English speaking * Access to a smartphone and willingness/proficiency to use a mobile app for healthcare * Able to give informed online consent Exclusion Criteria: * Neurological (e.g. Parkinson's, epilepsy) and major psychiatric disease (e.g. current major depression), dementia, history of cerebrovascular events (stroke, TIA); history of head injury with loss of consciousness \> 30mins; * Self-reported jetlag symptoms due to travel in the last 7 days; * Current illicit substance use or alcohol intake suggestive of a hazardous or harmful pattern; * Shift-work; * Medical conditions with known effects on cognition and sleep (e.g. cancer with chemotherapy); * Diagnosed obstructive sleep apnoea, or other sleep disorder including REM Sleep Behaviour Disorder, Restless Legs Syndrome or Narcolepsy.

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction insomnia sleep-wake disorder subjective cognitive decline

As listed by the trial registrant

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

Cognitive impairment Insomnia type; sleep disorder

Contacts and locations

Locations

  • Woolcock Institute of Medical Research

    Sydney, New South Wales, 2109, Australia

More trials for these conditions

Other studies related to the condition(s) this trial covers.