Can light timing boost your brain? new study investigates
NCT ID NCT02858765
First seen Jan 04, 2026 · Last updated Jun 19, 2026 · Updated 25 times
Summary
This study looked at how exposure to white light at different times of day affects sleep quality, brain waves, and mental performance in 92 healthy adults aged 18 to 40. Participants were monitored using EEG and various thinking tests. The goal was to understand light's influence on sleep and wakefulness, and to improve methods for recording brain activity over long periods.
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the original study
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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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Hôpitaux Universitaires de Strasbourg
Strasbourg, 67091, France
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
white polychromatic light
What this could lead to
If successful, this could help design better lighting to improve sleep and daytime alertness.
What could go wrong
This is a small, early-stage study in healthy volunteers, so results may not apply to people with sleep disorders or other conditions.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.