Personalized sleep and diet tips may ease night shift health toll
NCT ID NCT06147089
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tested whether personalized sleep or nutrition advice could help night shift workers sleep better and improve their health. 57 rotating or night shift workers wore smart devices, did alertness tests, and gave blood samples. Researchers compared those who got tailored advice on sleep hygiene, naps, light exposure, or meal timing to a control group. The goal was to see if these simple lifestyle changes could reduce the negative effects of shift work.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- personalized sleep and nutrition advice
- What this could lead to
- If successful, this could lead to simple, personalized lifestyle strategies that help night shift workers sleep better and reduce negative health effects.
- What could go wrong
- This is a small, completed study with 57 participants, so results may not apply to all shift workers. The interventions are behavioral, so benefits may vary and long-term effects are unknown.
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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57 people
The number who actually took part.
- Started
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Feb 2023
- Finished
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Feb 2025
- 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 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age 18 to 60 years. * Work at least 4 night shifts a month on average. * Shift workers, working rotating shifts (morning, evening and night shifts) or working predominantly night shifts. Night shift defined as work at least 1 hours between 0:00- and 6:00. * Work at least 2 night shifts in a row * Work ≥ 20 work hours per week. * Having a shift duration of 6 h-12 h. * History of ≥ 1 year of working rotating shift work or night shifts prior to the study. Exclusion Criteria: * Taking medication that the investigator believes would interfere with the objectives of the study. For example, sleep medication, medication that interferes with glucose homeostasis, and/or anti-inflammatory drugs. * Pregnant or have a wish to become pregnant during the study period. * Planned surgery during the entire study period Alcohol consumption \> 21 units/week * Severe psychiatric disease and/or any mental or physical disability that will hinder participation in the interventions * Severe cardiovascular disease, to the discretion of the study doctor * Having a chronic inflammatory disease, including asthma, rheumatic fever, irritable bowel disease, chronic obstructive pulmonary disease. * Other bowel diseases, including Chron's disease and Colitis Ulcerosa. * A disease or condition with higher bleeding risk (/risk of hemorrhage), under which a blood sample may lead to complications. * Participation in any clinical trial including blood sampling and/or administration of substances up to 90 days before Day 01 of this study * Recent blood donation (\<1 month prior to the start of the study)
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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
Locations
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Erasmus MC
Rotterdam, Netherlands
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Other studies related to the condition(s) this trial covers.