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Screen time before bed: does it really ruin Kids' sleep?

NCT ID NCT06192745

Knowledge-focused Sponsor: Baylor College of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study aims to understand how the light from tablet screens and the type of content children watch before bed affect their sleep, thinking skills, and emotions. Researchers will have 220 children aged 8 to 11 spend one hour before bed either using a bright tablet, a dim tablet, or doing non-screen quiet activities. They will measure sleep duration, quality, and changes in the body's internal clock to see which conditions are most disruptive.

What this could mean

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

Active substance
tablet screen light (bright vs. dim) and media content
What this could lead to
If it works, this could provide clear guidelines for parents on how screen use before bed affects children's sleep and daily functioning.
What could go wrong
This is an early-stage study with only 220 children, so results may not apply to all kids. The effects measured are short-term and may not reflect long-term impacts.

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 220 people

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

Started

Jan 2025

Expected to finish

Aug 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

8 to 11 years

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: * children between 8.0 and 11.9 year old * Tanner stage 1 and 2 * live with their parent(s) (biological or legal guardian at least 50% of the time and has a primary role of caring for the child). * Children who sleep between 8.5 to 11 hours per night habitually * Children must sleep alone most nights * parent and child able to communicate and read and write in English * The child does not have to have access to a mobile device (tablet or Phone), but if they do, the primary device they use has to be an a) Android OS ≥5.0 either used only by the study child or shared with others, b) Amazon Fire OS ≥5.0 that only the child uses or c) an Apple iOS ≥14.0 that only the child uses. * If the child's primary device is a Android or Amazon Fired device, the parent and child agree to install Chronicle App (Android or Amazon). If the child's primary device is an Apple device, the parent and child agree to allow us to gather usage screenshots from the primary iPad or iPhone. * Families must live in the greater Houston area. Exclusion Criteria: * child blindness or colorblindness * significant vision problems * developmental or cognitive delays * diagnosis of a sleep or psychiatric disorder * diagnosed cognitive or learning impairment affecting executive functioning (e.g., attention deficit hyperactivity disorder) * medical conditions that impact sleep * taking medications that impact sleep * travel beyond 2 time zones in the month before starting the study

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder Emotional Regulation sleep disorder

As listed by the trial registrant

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

Circadian rhythm Emotion regulation Executive function Sleep

How to take part

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

  1. The places running it

    1 site. 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

  • Children's Nutrition Research Center

    RECRUITING

    Houston, Texas, 77030, United States

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