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Power nap pods could make driving safer, study suggests

NCT ID NCT03978026

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested whether taking a nap in different environments, including a special rest module called SOMBOX, helps healthy adults stay alert and drive better. Forty participants each tried four conditions: napping in different settings or resting without napping. Researchers measured driving performance, sleepiness, and heart rate. The goal is to find the best way to rest before driving.

What this could mean

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

Active substance
nap (behavioural intervention)
What this could lead to
If successful, this could show that a short nap in a special rest module improves driving alertness more than a regular rest break.
What could go wrong
This is a small, completed study in healthy volunteers, not patients. Results may not apply to people with sleep disorders or shift workers.

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

40 people

The number who actually took part.

Started

May 2019

Finished

Dec 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

20 to 50 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: * -Male and female participants, aged 20 to 50 years in good health, good sleepers (\>8h on average), not being extreme chronotypes, without sleep disorders, healthy, unmedicated, not working in shift work, having been licensed for at least 2 years and driving a minimum of 5000 km per year * The need for the collection of the signature of informed consent * The need to be affiliated with the social security system * The need to understand French Exclusion Criteria: * participant with a sleep disorder, even if not medicated * participant with extreme morning or evening chronotype * pregnancy * ill or medicated participant

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As listed by the trial registrant

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

Healthy volunteers

Contacts and locations

Locations

  • PFRS

    Caen, 14000, France

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