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Health BehaviorNCT05195359

The Effects of a Personalized Sleep Improvement App From SleepScore Labs

A study testing Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScore in people with Health Behavior, run by ResMed at 1 site in Germany.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The study is a single-blinded randomized waitlist controlled trial that aims to assess changes in objective and self-report sleep improvement through use of a dynamic and personalized sleep improvement smartphone app and advice engine in those with poor sleep (i.e., subclinical threshold insomnia) when compared to a… Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Health Behavior
What is being tested?
Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScore
Could I receive a placebo?
No, everyone receives an active treatment
How many people
637 participants
Where
1 siteGermany
Study dates
31 Jan 2023to 15 Aug 2023
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • 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

Who cannot join

  • 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:
Show all 17Show fewer
  • 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

Trial locations and contacts

1 site in 1 country.

Germany1 site
  • Ruhrlandklinik Essen

    Essen, North Rhine-Westphalia, 45239

Other trials in Germany

About this study

Official title: The Effects of a Personalized Sleep Improvement Smartphone Application From SleepScore Labs: A Single-blinded Randomized Waitlist Controlled Trial

The study is a single-blinded randomized waitlist controlled trial that aims to assess changes in objective and self-report sleep improvement through use of a dynamic and personalized sleep improvement smartphone app and advice engine in those with poor sleep (i.e., subclinical threshold insomnia) when compared to a waitlist control group after 6 weeks and 12 weeks.

Read the detailed description

Subclinical sleep dysfunction has a multitude of causes (e.g., environmental, cognitive, behavioral, or physiological) and symptoms (e.g., long sleep onset latency, short sleep duration, elevated wake after sleep onset and nighttime awakenings, poor sleep quality). A personalized and dynamic sleep improvement intervention tailored to an individual's lifestyle and specific needs may therefore be required to help nudge those with poor sleep towards sleep-promoting behaviors and attitudes. Digital and mobile health platforms are also highly scalable and cost-effective, thus allowing for widespread implementation across larger subclinical populations.

The purpose of the present study is to conduct a single-blinded randomized waitlist controlled trial to evaluate a novel smartphone application, Dein Schlaf. Dein Tag. powered by SleepScore, designed to both objectively measure and improve sleep. The Dein Schlaf. Dein Tag. app features a validated sonar sleep measurement tool and also provides dynamic and personalized sleep advice founded in the principles of cognitive behavioral psychology and sleep hygiene, offering a non-invasive and non-pharmacological behavioral intervention designed to improve sleep and circadian functioning in those with common sleeping difficulties. Participants will be randomly assigned to the sleep improvement app intervention or a waitlist control group. Online assessments on validated sleep and preventative health measures will take place at baseline, 6 weeks, and 12 weeks.

Conditions
Health Behavior
Being tested
Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScore
Keywords
Sleep, Smartphone Application, Preventative Health
Medical subject headings
Health Behavior

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScoreBehavioural

    Also called SleepScore Mobile App, Dein Schlaf. Dein Tag. App

    The Dein Schlaf. Dein Tag. application powered by SleepScore is a validated sleep measurement application using sonar technology that also provides evidenced-based sleep advice and sleep education content based on a user's objectively measured nightly sleep data. As participants engage with the app, the Dein Schlaf. Dein Tag. application provides personalized and dynamic sleep content and sleep and circadian rhythm improvement advice based in the principles of sleep hygiene, sleep-circadian science, and cognitive behavioral psychology. Participants will also receive personalized sleep challenges tailored to improve their sleep and circadian rhythms. Each challenge lasts for 7 tracked nights, ranging from optimizing sleep habits to limiting caffeine intake, and more. Additional sleep improvement features embedded within the app include sleep sanctuary bedroom checks, sleep sounds, smart alarms, bedtime reminders, and sleep education blogs and science content.

Study groups in NCT05195359
Study groupRoleWhat they receive
Allocation to Sleep Improvement AppActive comparatorParticipants will be instructed to engage with the Dein Schlaf. Dein Tag. smartphone app, log their behaviors in-app, and track their sleep daily for the duration of the study (12 weeks). Participants will be instructed to start the sleep tracking device via their iOS device before lying down in bed and turning off the lights to go to sleep. In the morning, participants will turn off the sleep tracking device as soon as they wake up and decide to leave the bed. At the three time points (baseline, 6 weeks, and 12 weeks), participants will be instructed to complete online assessments on self-reported sleep quality, health perception, psychosocial factors and sleep-permissive behaviors (i.e., preventative health)
Receives: Behavioral: Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScore
Allocation to Waitlist Control GroupNo interventionAt the three time points (baseline, 6 weeks, and 12 weeks) participants assigned to the wait-list control group will be instructed to complete online assessments on self-reported sleep quality, health perception, psychosocial factors and sleep-permissive behaviors (i.e., preventative health)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in SF B Sleep Quality From Baseline to 6 Weeks

    SF B Sleep Quality (SQ): SF B (Görtelmeyer). Range 1-5; higher = better sleep quality.

    Measured: Baseline and 6 weeks

  2. Change in SF B Sleep Quality From Baseline to 12 Weeks

    SF B Sleep Quality (SQ): SF B (Görtelmeyer). Range 1-5; higher = better sleep quality.

    Measured: Baseline and 12 weeks

Secondary outcomes (8)
  1. Changes in Overall Sleep Problems From Baseline to 6 Weeks

    PSQI Global Score: Range 0-21; higher = worse sleep quality; conventional cutoff >5 indicates poor sleep.

    Measured: Baseline and 6 weeks

  2. Changes in Feeling of Being Refreshed in the Morning From Baseline to 6 Weeks

    SF B Feeling Refreshed (GES): SF B GES subscale. Range 1-5; higher = better feeling of being refreshed.

    Measured: Baseline and 6 weeks

  3. Changes in Health Measures From Baseline to 6 Weeks

    SF 12 (PCS \& MCS): Norm based T scores (mean 50, SD 10); higher = better health status. We report PCS and MCS separately.

    Measured: Baseline and 6 weeks

  4. Changes in Mental Health Stress From Baseline to 6 Weeks

    PSS 10: 10 items scored 1-5; total 10-50; higher = more stress.

    Measured: Baseline and 6 weeks

  5. Changes in Overall Sleep Problems From Baseline to 12 Weeks

    PSQI Global Score: Range 0-21; higher = worse sleep quality; conventional cutoff >5 indicates poor sleep.

    Measured: Baseline and 12 weeks

  6. Changes in Feeling of Being Refreshed in the Morning From Baseline to 12 Weeks

    SF B Feeling Refreshed (GES): SF B GES subscale. Range 1-5; higher = better feeling of being refreshed.

    Measured: Baseline and 12 weeks

  7. Changes in Health Measures From Baseline to 12 Weeks

    SF 12 (PCS \& MCS): Norm based T scores (mean 50, SD 10); higher = better health status. We report PCS and MCS separately.

    Measured: Baseline and 12 weeks

  8. Changes in Mental Health Stress From Baseline to 12 Weeks

    PSS 10: 10 items scored 1-5; total 10-50; higher = more stress.

    Measured: Baseline and 12 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Jan 2022
  2. Study start31 Jan 2023
  3. Primary completion15 Aug 2023
  4. Study completion15 Aug 2023

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Single-blinded Randomized Waitlist Controlled Trial
Masking
Double blind
Who is masked
Investigator, Outcomes assessor
Enrolment
637 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05195359
Sponsor's protocol ID
20211202DSDT
Status last verified
Nov 2025
First submitted
3 Dec 2021
Last updated
26 Nov 2025
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: There is no plan to share IPD as data analysis will be conducted internally and raw IPD will not be shared with external researchers.

Questions about this trial

What is this clinical trial studying?

A study testing Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScore in people with Health Behavior, run by ResMed at 1 site in Germany.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 17 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 26 Nov 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 26 Nov 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in SF B Sleep Quality From Baseline to 6 Weeks (time frame: Baseline and 6 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Nov 2025.

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