Influence of Light on Sleep, Awakening, Electroencephalogram (EEG) and Cognitive Performances
NCT ID: NCT02858765
Last Updated: 2025-12-19
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
92 participants
INTERVENTIONAL
2016-06-30
2019-06-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
NONE
Study Groups
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white polychromatic light A
Application of white polychromatic light for 2h30 at different times of day
white polychromatic light B
Application of white polychromatic light for 2h30 at different times of day
white polychromatic light C
Application of white polychromatic light for 2h30 at different times of day
white polychromatic light D
Application of white polychromatic light for 2h30 at different times of day
Interventions
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Application of white polychromatic light for 2h30 at different times of day
Eligibility Criteria
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Inclusion Criteria
* Aged 18 to 40 years
* With a hint of Bodymass index (BMI) between 17 and 30 kg.m - 2
* Healthy subject determined by a clinical examination, a psychological interview, a blood test, a urine analysis and an ophthalmologic examination
* Topic Subject with a score \<6 questionnaire PSQI ("Sleep Questionnaire Pittsburgh")
* Subject agreeing to maintain a regular sleep/wake rhythm during the study
* Subject agreeing to refrain from caffeine, nicotine, alcohol, psychotropic drugs, cannabis or other drugs during the study
* Signed informed consent
* Subject affiliated to a social protection scheme
Exclusion Criteria
* immune system diseases
* kidneys and urinary tract diseases
* endocrine and metabolic diseases
* neurological diseases
* infectious diseases
* thrombocytopenia or other malfunction of blood platelets
* Subject with risk of thrombosis, including subject with a history of phlebitis, smoker under oral contraceptive...
* Subject with an addiction to caffeine, nicotine, alcohol, psychotropic drugs, cannabis, or any other drug
* Subject treatment contraindicated or inadvisable in combination with heparin
* Allergy to neoprene or lycra
* Dysfunction of the temporomandibular joint (TMJD)
* Blood donation in the previous 3 months before the inclusion
* Participation in other clinical trials in the previous 3 months before the inclusion
* Work by shifts in the year preceding the inclusion
* Trans-meridian travel (\> 2 time zones) in the month previous the inclusion
* Contraindications to the use of the medical device
* Impossibility to give enlightened information (subject in an emergency situation, understanding difficulties,...)
* Subject under safeguard of justice
* Subject under tutorship or curatorship
* Pregnancy (women of childbearing age)
* Breastfeeding
18 Years
40 Years
ALL
Yes
Sponsors
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University Hospital, Strasbourg, France
OTHER
Responsible Party
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Locations
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Hôpitaux Universitaires de Strasbourg
Strasbourg, , France
Countries
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References
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Glacet R, Reynaud E, Robin-Choteau L, Reix N, Hugueny L, Ruppert E, Geoffroy PA, Kilic-Huck U, Comtet H, Bourgin P. A comparison of four methods to estimate dim light melatonin onset: a repeatability and agreement study. Chronobiol Int. 2023 Feb;40(2):123-131. doi: 10.1080/07420528.2022.2150554. Epub 2022 Dec 15.
Other Identifiers
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6187
Identifier Type: -
Identifier Source: org_study_id