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Can a school program fix teen sleep? 1,200 students put to the test

NCT ID NCT07371637

Knowledge-focused Sponsor: VU University of Amsterdam 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a school-based program called Charge Your Brainzzz, designed to help Dutch teenagers improve their sleep habits. About 1,200 first-year vocational students will participate, along with teachers and health staff. The program includes lessons, changes to school policies (like start times and screen use), and family involvement. Researchers will measure sleep quality, duration, and daytime sleepiness before, right after, and six months after the program to see if it works.

What this could mean

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

Active substance
Charge Your Brainzzz program (education, environment changes, policy adjustments, and early detection)
What this could lead to
If successful, this program could provide schools with a proven, practical way to improve teenagers' sleep health and reduce long-term health risks.
What could go wrong
This is an observational study testing a behavioral program, not a drug. Results depend on how well schools adopt the program, and improvements may vary or fade over time.

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

About 1,200 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2025

Expected to finish

Sep 2028

An estimate. End dates often move.

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Dutch regular secondary schools that include at least one vocational track (VMBO) * First-year students enrolled in the VMBO tracks of participating schools * Teachers, school health professionals, school care coordinators, school management, and the regional municipal health service's (GGD) Healthy School advisors who work with at least one of the participating schools Exclusion Criteria: * non-regular Dutch secondary schools / special education

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As listed by the trial registrant

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

Implementation research Intervention effectiveness

Contacts and locations

Locations

  • VU University

    Amsterdam, North Holland, 1081HV, Netherlands

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