Status:
COMPLETED
The Effects of a Blue Monochromatic Light Intervention on Evening-type Individuals' Sleep and Circadian Rhythms
Lead Sponsor:
University of Bergen
Conditions:
Circadian Rhythm Sleep Disorder, Delayed Sleep Phase
Sleep
Eligibility:
All Genders
Phase:
NA
Brief Summary
The present project is aimed to contribute with new knowledge concerning how light conditions in the physical environment can be manipulated to alter the sleep and circadian rhythms of individuals wit...
Detailed Description
Background: Morningness/eveningness is a phenomenon that reflects the tendency to be an "early morning bird" or a "late night owl" and is thus a source of inter-individual variation in timing of slee...
Eligibility Criteria
Inclusion
- Scoring below 42 on the Horne-Östberg Morningness-Eveningness Questionnaire, as this categorizes moderate and definitely evening types (Horne \& Östberg, 1976).
Exclusion
- Participants will be excluded if a positive case is indicated on the Mood Disorder Questionnaire (MDQ), indicating the presence or history of bipolar disorder.
- Participants will also be excluded if they have worked night shifts during the past three months.
Key Trial Info
Start Date :
September 25 2018
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
October 22 2018
Estimated Enrollment :
34 Patients enrolled
Trial Details
Trial ID
NCT03758768
Start Date
September 25 2018
End Date
October 22 2018
Last Update
November 29 2018
Active Locations (1)
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1
University of Bergen
Bergen, Hordaland, Norway, 5015