Power nap prescription: study tests best nap length for night shift workers
NCT ID NCT07217769
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether taking a nap during a night shift can improve blood pressure and alertness in healthcare and public safety workers. Researchers will compare naps lasting 0, 15, 30, 45, or 60 minutes taken at 2:00 AM. The goal is to find the nap length that best balances heart health benefits with post-nap performance.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- napping (behavioral intervention)
- What this could lead to
- If successful, this could help night shift workers and their employers choose the best nap length to protect heart health and stay alert on the job.
- What could go wrong
- This is a small, early-stage study in a lab setting, so real-world results may differ. Naps can also cause grogginess right after waking, which might affect performance.
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
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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
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About 130 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Aug 2030
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * non-pregnant adults (\>18 years of age) * certified public safety/healthcare shift worker * is an active shift worker * resides within the Western Pennsylvania region within reasonable driving distance Exclusion Criteria: * current use of medication for cardiovascular disease (e.g., hypertension) * prior or current diagnosis of sleep apnea, narcolepsy, restless leg syndrome, ischemic heart disease, heart failure, stroke, chronic kidney disease, chronic liver disease, rheumatologic disease requiring prescription medication, and cancer requiring treatment in past 2 years * undiagnosed severe sleep apnea (Apnea-Hypopnea Index \>30) based on at-home test * Abstains from caffeine or reports adverse effects from caffeine use
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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University of Pittsburgh
RECRUITINGPittsburgh, Pennsylvania, 15261, United States
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