60
Participants
Start Date
June 6, 2017
Primary Completion Date
April 9, 2019
Study Completion Date
July 31, 2026
Blue-blocking glasses
Wear the BB-glasses from three hours before bedtime, and if needed to turn on the light, also during the night.
Light grey control glasses
Wear the light grey glasses from three hours before bedtime, and if needed to turn on the light, also during the night.
Randi Liset, Bergen
The Norwegian Competence Center for Sleep Disorders (SOVno)
UNKNOWN
Western Norway University of Applied Sciences
OTHER
University of Bergen
OTHER