ICU sleep fix? pink noise and quiet time put to the test
NCT ID NCT07412964
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests two simple, drug-free ways to improve sleep for adults in the intensive care unit: playing pink-brown noise to mask hospital sounds, or a quiet time protocol with earplugs and eye masks. Researchers will track sleep using a wrist-worn smartwatch in 18 patients. The goal is to see if these low-cost approaches can help ICU patients get better rest and support recovery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- pink-brown noise masking and quiet time protocol (behavioural interventions)
- What this could lead to
- If it works, this could point toward simple, drug-free ways to help ICU patients sleep better and recover faster.
- What could go wrong
- This is a very small, early trial with only 18 participants, so results may not apply to all ICU patients. The interventions are non-invasive but may not improve sleep for everyone.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 18 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Inclusion Criteria: * Adults aged 18 years and older * Patients admitted to the adult intensive care unit * Expected ICU stay of at least one night * Ability to tolerate non-invasive sleep-related interventions (earplugs, eye mask, or acoustic masking) * Informed consent obtained from the patient or legally authorized representative Exclusion Criteria: Exclusion Criteria: * Severe hearing impairment preventing use of acoustic interventions * Severe cognitive impairment or coma preventing sleep assessment * Use of continuous deep sedation * Diagnosed sleep disorders requiring pharmacological treatment * Skin conditions preventing use of wrist-worn actigraphy
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Bolu Izzet Baysal State Hospital
Bolu, Bolu, 14100, Turkey (Türkiye)
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