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Power nap science: can a short snooze recharge a volleyball Player's brain?

NCT ID NCT07700576

Knowledge-focused Sponsor: Inonu University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This study looks at how mental tiredness (from a challenging computer task) affects volleyball skills like agility and jumping, and whether taking a nap of 20, 40, 60, or 90 minutes can help. Ten trained male volleyball players will have their brain waves measured with EEG before and after the tasks and naps. The goal is to find the best nap length to counter mental fatigue and improve athletic performance.

What this could mean

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

Active substance
daytime naps of 20, 40, 60, or 90 minutes
What this could lead to
If naps prove effective, this could give athletes a simple, drug-free way to recover from mental fatigue and improve performance.
What could go wrong
This is a very small study (10 participants) in young male athletes only, so results may not apply to others. The effects of naps can vary widely between individuals.

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

10 people

The number who actually took part.

Started

Oct 2025

Finished

Dec 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

19 to 22 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 volleyball players aged 19 to 22 years. * Minimum of 3 years of regular volleyball training and active participation in organized training. * Apparently healthy and free from neurological, cardiovascular, musculoskeletal, or metabolic disorders. * Normal or corrected-to-normal vision. * Willing to provide written informed consent. * Agreed to refrain from strenuous exercise, alcohol, and caffeine for at least 24 hours before each experimental session. Exclusion Criteria: * History of neurological, psychiatric, cardiovascular, or musculoskeletal disorders. * Current injury affecting sports performance. * Use of medications known to influence cognitive function, sleep, or central nervous system activity. * Diagnosed sleep disorders. * Failure to comply with study procedures or pre-test instructions. * Inability to complete all experimental sessions.

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Conditions

The condition(s) this trial relates to.

Mental Fatigue

As listed by the trial registrant

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

Mental fatigue Recovery Sport performance Volleyball

Contacts and locations

Locations

  • Inonu University, Faculty of Sport Sciences

    Malatya, Malatya, 44280, Turkey (Türkiye)

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