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Can a phone app fix your sleep? new study tests personalized sleep coach

NCT ID NCT05195359

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a smartphone app that gives personalized sleep advice based on your sleep data. Over 600 adults with mild sleep problems used the app or were placed on a waitlist. The goal was to see if the app improved sleep quality after 6 and 12 weeks.

What this could mean

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

Active substance
SleepScore Mobile App (behavioral intervention)
What this could lead to
If it works, this could offer a simple, app-based way to improve sleep quality without medication.
What could go wrong
This is a completed trial, but results may not apply to everyone. The app only works on iOS, and benefits may be modest.

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

637 people

The number who actually took part.

Started

Jan 2023

Finished

Aug 2023

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * iOS user * Sub-clinical threshold insomnia symptoms (Regensburg Insomnia Scale Score 13-24) * ≥ 18 years old. * Naive to the SleepScore Labs App * Able to fully understand information on data protection and provide written informed consent Exclusion Criteria: * Non-iOS device users due to technical restrictions of the application * Bedtime less than 6 hours * Any of the following medical problems: * Untreated psychological disorder affecting sleep (e.g., depression, anxiety disorders, bipolar disorder, schizophrenia) * Current severe medical conditions (e.g. chronic pain, cancer) * Any of the following medications/substance use: * Prescription sleep medications or regular use of over-the-counter sleep medications * Medication for other conditions (e.g., anxiety, ADHD) that affect sleep, e.g. antidepressants, antipsychotics * Consumption of 3+ units of alcohol on 4 or more nights per week * Recreational or nightly drug use * Pregnant or nursing mothers * Shift work * Travel across 2 or more time zones during study period * Sleeping more than 7 nights not at home during study period * Users who newly received a diagnosis of a sleep disorders * Users who start sleep or other psychoactive medication during the study period * Use of other Sleep Tracking App's during the study period

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Conditions

The condition(s) this trial relates to.

Health Behavior

As listed by the trial registrant

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

Contacts and locations

Locations

  • Ruhrlandklinik Essen

    Essen, North Rhine-Westphalia, 45239, Germany

More trials for these conditions

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