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Light recipe tested to boost radiographer well-being and sleep

NCT ID NCT06687304

Symptom relief Sponsor: Lund University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 trial tests whether dynamic lighting that mimics daylight can improve sleep quality, energy levels, and well-being in radiographers. 18 participants will work under enhanced or normal lighting, answer surveys, and provide saliva samples. Researchers want to find the best light recipe for alertness and rest.

What this could mean

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

Active substance
Light enhancement device (dynamic lighting mimicking daylight)
What this could lead to
If it works, this could point toward simple lighting changes that boost alertness and sleep quality for shift workers.
What could go wrong
This is a very small early study with only 18 participants, so results may not apply broadly. The effect of lighting on well-being can be subjective and hard to measure.

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 18 people

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

Started

Nov 2024

Expected to finish

Mar 2027

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

21 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: Radiographer Exclusion Criteria: \-

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Conditions

The condition(s) this trial relates to.

insomnia

As listed by the trial registrant

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

Cortisol Energy levels Melatonin Sleep quality Well being

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Lasarettet Trelleborg

    RECRUITING

    Trelleborg, Skåne County, 23155, Sweden

  • Skånes universitetssjukhus

    RECRUITING

    Malmö, Skåne County, 21428, Sweden

  • Skånes universitetssjukhus Lund

    RECRUITING

    Lund, Skåne County, 22242, Sweden

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