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One meal a day: morning, noon, or night — which boosts your brain best?

NCT ID NCT07181057

Knowledge-focused Sponsor: Erzurum Technical 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looked at how eating just one meal a day at different times (morning, midday, or evening) affects brain function in healthy, mentally active adults. Twelve participants completed thinking tasks while their brain activity was measured. The goal was to see if meal timing changes brain responses or performance, but this is a small, early-stage study that does not test any treatment.

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

12 people

The number who actually took part.

Started

Mar 2025

Finished

May 2025

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

20 to 40 years

Sex

Male participants only

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: Male, 20 to 45 years of age Right-handed Normal or corrected-to-normal vision Cognitively active individuals (academic staff, graduate students, or software/algorithm engineers) Regular sleep-wake schedule during the week preceding the experiment Ability to abstain from caffeine, alcohol, or psychoactive substances for at least 24 hours prior to each test session Body mass index between 18.5 and 30 kg/m² Exclusion Criteria: History of neurological, psychiatric, metabolic, or sleep disorders Current use of medications that affect the central nervous system Shift work or irregular sleep patterns (verified by sleep diary) Prior experience with one-meal-a-day dietary routines Body mass index below 18.5 or above 30 kg/m²

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As listed by the trial registrant

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

Cognitive abilities Fasting state

Contacts and locations

Locations

  • Erzurum Technical University Sport Sciences Faculty

    Erzurum, Erzurum, 25240, Turkey (Türkiye)

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