ICU makeover: light and sound tweaks may help patients sleep
NCT ID NCT05694052
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested a combination of dynamic light therapy, sound masking, and changes to nighttime care routines in 56 ICU patients recovering from critical illness. The goal was to see if these environmental changes could improve sleep quality and quantity, measured by brain wave monitoring and other methods. The researchers also looked at whether better sleep could reduce delirium and improve long-term recovery.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Multifaceted intervention of environment control (dynamic light therapy, auditory masking, and rationalization of ICU nocturnal patient activities)
What this could lead to
If it works, this could lead to a simple, non-drug way to improve sleep and reduce delirium in ICU patients, potentially improving recovery and quality of life after hospital discharge.
What could go wrong
This is a small, completed trial with only 56 patients, so results may not apply to all ICU patients. The intervention is complex and may be hard to implement consistently in different hospitals.
Disclaimer
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This is a summary of
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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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
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Locations
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Hospital Clínico UC CHRISTUS
Santiago, Santiago Metropolitan, 8330024, Chile