Actively Recruiting

Phase Not Applicable
Age: 18Years - 40Years
All Genders
Healthy Volunteers
NCT05232383

Benefits and Risks of Artificial Light Exposure: Characterisation of Effects on Alertness, Sleep, Cognitive Performance, Mood and Biological Rhythms

Led by University Hospital, Strasbourg, France · Updated on 2025-08-08

96

Participants Needed

1

Research Sites

230 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The purpose of this project is to study the influence of light on sleep, wakefulness, EEG activity and cognitive performances.

CONDITIONS

Official Title

Benefits and Risks of Artificial Light Exposure: Characterisation of Effects on Alertness, Sleep, Cognitive Performance, Mood and Biological Rhythms

Who Can Participate

Age: 18Years - 40Years
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Male or female
  • Aged 18 to 40 years
  • Body mass index (BMI) between 17 and 30 kg/m2
  • Healthy as determined by clinical exam, psychological interview, blood test, and urine analysis
  • Pittsburgh Sleep Quality Index (PSQI) score below 6
  • Willing to maintain a regular sleep/wake rhythm during the study
  • Agreeing to avoid caffeine, nicotine, alcohol, psychotropic drugs, cannabis, or other drugs during the study
  • Signed informed consent
  • Affiliated with a social protection scheme
Not Eligible

You will not qualify if you...

  • Presence of cardiovascular, respiratory, gastrointestinal, hematopoietic, visual, immune system, kidney, urinary tract, endocrine, metabolic, neurological, or infectious diseases
  • Thrombocytopenia or other blood platelet disorders
  • Risk of thrombosis including history of phlebitis, smoking while using oral contraceptives
  • Addiction to caffeine, nicotine, alcohol, psychotropic drugs, cannabis, or other drugs
  • Treatments contraindicated or inadvisable with heparin
  • Blood donation within 3 months prior to inclusion
  • Participation in other clinical trials
  • Shift work within the year before inclusion
  • Trans-meridian travel crossing more than 2 time zones within the month before inclusion
  • Inability to provide informed consent or understand study information
  • Under safeguard of justice, tutorship, or curatorship
  • Pregnancy or breastfeeding
  • Diet incompatible with the study's snack choices

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Hôpitaux Universitaires de Strasbourg

Strasbourg, France, 67091

Actively Recruiting

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Research Team

P

Patrice BOURGIN, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

BASIC_SCIENCE

Number of Arms

6

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