Nap study reveals why you feel groggy after a short sleep
NCT ID NCT07409883
First seen Feb 14, 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.
Disclaimer
Read more
Show less
This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for NIGHT SHIFT WORK are added.
Genom att skicka in godkänner du våra Användarvillkor
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
Genom att skicka in godkänner du våra Användarvillkor
Study contacts
-
Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
-
Faculty of Engineering, Mahidol University
Nakhon Pathom, 73170, Thailand
Contact Phone: •••-•••-•••• Email: •••••@•••••
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.
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.