Nap study reveals why you feel groggy after a short sleep
NCT ID NCT07409883
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how the amount of deep sleep just before waking affects how alert people feel after a 2-hour nap taken at night. Researchers will monitor brain activity during sleep and test reaction times after waking. The goal is to understand sleep inertia and improve nap strategies for night-shift workers.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this study could help design better nap schedules for night-shift workers to reduce grogginess after waking.
- What could go wrong
- This is a small, early observational study with only 28 participants, so results may not apply to everyone. It does not test any treatment.
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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.
Contacts and locations
Locations
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Faculty of Engineering, Mahidol University
Nakhon Pathom, 73170, Thailand
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