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Bright idea: light glasses may boost student Well-Being

NCT ID NCT07659171

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested whether special light glasses could improve sleep, concentration, and mood in university students. 39 students with sleep problems wore the glasses for three weeks. The goal was to see if different light intensities made a difference. If successful, light therapy could be a simple, inexpensive way to help students feel better.

What this could mean

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

Active substance
light glasses emitting narrowband blue light
What this could lead to
If it works, this could offer an easy, low-cost way to help students sleep better and feel less anxious or depressed.
What could go wrong
This is a small pilot study with only 39 participants, all psychology students from one university. Results may not apply to other groups, and the effect of light therapy on healthy people is still uncertain.

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

39 people

The number who actually took part.

Started

Mar 2019

Finished

Apr 2019

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

18 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: * Being a psychology student at Reykjavik University, Iceland * Able to understand, read and write Icelandic * At screening assessment prior to the intervention, demonstrating a score of three or above on any of the six items of the BIS scale, thereby including students who showed even mild symptoms of sleep problems Exclusion Criteria: * Not being a psychology student at Reykjavik University, Iceland * Not able to understand, read and write Icelandic * Demonstrating a score below three on all of the six items of the BIS scale

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Conditions

The condition(s) this trial relates to.

anxiety disorder Depression Parasomnias

As listed by the trial registrant

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

Concentration performance Depression and anxiety symptom Sleep problems University students Well being

Contacts and locations

Locations

  • Department of Psychology, Reykjavík University

    Reykjavik, 102, Iceland

More trials for these conditions

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