Smartwatch app wakes you from nightmares – study tests if it helps PTSD sufferers sleep better
NCT ID NCT04040387
First seen Apr 16, 2026 · Last updated Jun 12, 2026 · Updated 7 times
Summary
This study tested a digital system called NightWare, which uses an iPhone and Apple Watch to detect when a person is having a nightmare and gently vibrates to wake them without fully arousing them. The goal was to see if it could improve sleep quality in 270 veterans and active-duty service members with PTSD-related nightmares. The main measure was change in sleep quality over 30 days using a standard sleep questionnaire.
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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.
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Contacts and locations
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Locations
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Louis Stokes Cleveland VA Medical Center
Cleveland, Ohio, 44106, United States
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Minneapolis VA Healthcare System
Minneapolis, Minnesota, 55417, United States
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Ralph H Johnson Veterans Affairs Medical Center
Charleston, South Carolina, 29401, United States
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Walter Reed National Military Medical Center
Bethesda, Maryland, 20814, United States
Conditions
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