slaap en alertheid sleep
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Age between 20-30 - Healthy - Dutch speaking - Early chronotypes
Exclusion criteria
Exclusion criteria: - Diagnosed color blindness (Ishihara's color blindness test) - Use of photosensitizing medication or sleep medication - Drug use - Moderate to high levels of caffeine intake during a day (5 or more cups) - Smokers - Diabetic disease - Shift work schedule in the 3 months prior to participation - Travel over 2 or more time zones in 1 month prior to participation - Epworth Sleepiness Scale
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameter is objective sleep quality, characterized by higher amounts of slow wave activity and fewer sleep arousals and awakenings. This will be measured throughout the night using EEG loggers on both intervention days. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary output parameters are subjective alertness, measured with the Karolinska Sleepiness Scale and perceived sleep quality, quantified by the Groninger Sleep Quality Questionnaire. | — |
Countries
Netherlands