Morning blue, evening red: a simple light trick for better sleep?
NCT ID NCT07465250
First seen Mar 11, 2026 · Last updated May 16, 2026 · Updated 11 times
Summary
This study tested whether a combination of morning blue light and evening red light therapy could improve sleep in 20 adults with mild sleep troubles. Participants wore a wrist device to track sleep for 7 days without any changes, then for 7 days while using the light therapy. The goal was to see if the light routine helped them fall asleep faster and feel more alert during the day.
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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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Locations
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Colorado State University
Fort Collins, Colorado, 80523, United States
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