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Effects of an afternoon stroll under different light conditions on alertness, sleep quality and -perception

Effects of an afternoon stroll under different light conditions on alertness, sleep quality and -perception - Improving sleep and alertness with daylight

Status
Unknown
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON44189
Enrollment
18
Registered
2017-11-08
Start date
Unknown
Completion date
Unknown
Last updated
2024-04-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

slaap en alertheid sleep

Interventions

None listed

Sponsors

Rijksuniversiteit Groningen
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

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

MeasureTime 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

MeasureTime 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

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)