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Your body may know your brain is tired before you do

NCT ID NCT07877389

Knowledge-focused Sponsor: DSW Ideis 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Oct 16, 2026 · Last updated Oct 16, 2026

Summary

Researchers want to know whether heart activity and skin responses can predict how well someone performs a demanding computer task. Healthy adults aged 18 to 30 attend one visit, wear sensors, rest quietly, then complete a letter-and-number matching task that adjusts to their speed. The team checks whether early body signals forecast later accuracy, beyond sleep and initial performance.

What this could mean

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

Active substance
a computer-based attention task with heart and skin sensors
What this could lead to
If body signals predict when focus slips, this could point toward simple ways to monitor mental fatigue during demanding work or study.
What could go wrong
This is a small, short lab study in healthy young adults, so any link found may not hold for other ages, real-world settings, or people with health conditions.

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 250 people

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

Expected to start

Dec 2026

An estimate. Start dates often move.

Expected to finish

Dec 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

18 to 30 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: * Age 18-30 years. * Good general health according to self-report. * Normal or corrected-to-normal vision and ability to read the letters and digits presented on the screen. * Ability to understand instructions in Polish and perform the computer task. * Provision of voluntary informed consent. Exclusion Criteria: * Neurological, psychiatric, or cardiovascular conditions that significantly affect participant safety, task performance, or heart rhythm. * Use of medications or substances that significantly affect heart rhythm, arousal, or cognitive performance. * Acute infection, fever, feeling unwell, or skin damage that makes sensor placement difficult. * Failure to understand the task after repetition of the instructions and practice, or unsuccessful calibration. * Caffeine or nicotine use within four hours, alcohol consumption within 24 hours, or intense physical exercise within 12 hours before the visit. * Absence or withdrawal of informed consent.

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Conditions

The condition(s) this trial relates to.

Mental Fatigue Sleepiness

As listed by the trial registrant

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

Cognitive performance Mental fatigue

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

  • DSW Ideis, Institute of health studies

    Wroclaw, Lower Silesian Voivodeship, 53-611, Poland

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