The amount of light to achieve optimal alertness as a function of time of day
Completed
- Conditions
- alertheid overdagAlertnessVigilance
- Registration Number
- NL-OMON43585
- Lead Sponsor
- Rijksuniversiteit Groningen
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 50
Inclusion Criteria
Men and Women
Between 20 to 30 years
Exclusion Criteria
Use of photosensitizing medication
Use of sleep medication
Drinking moderate to high level of caffeine during the day (5 or more cups)
Smoking
Diabetic disease
Diagnosed with colour-blindness
Performing shift work scheduled in 3 months prior to participation
Travelling over 2 or more time zones 1 month prior to participation
A score of >18 on Epworth Sleepiness Scale
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>The main study parameter is subjective alertness measured by the KSS<br /><br>questionnaire. </p><br>
- Secondary Outcome Measures
Name Time Method <p>Secondary parameters are objective alertness, measured by physiological<br /><br>parameters: PUI and skin temperature. In addition, indirect parameters,<br /><br>measured through the auditory Sustained Attention to Response Task , are used. </p><br>