Study Results
Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.
View full resultsBasic Information
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COMPLETED
NA
12 participants
INTERVENTIONAL
2015-04-30
2016-03-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NA
SINGLE_GROUP
PREVENTION
NONE
Study Groups
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Bright Light Intervention
Before the bright light intervention is initiated (and during the intervention), participants will wear two wrist bands which measure sleep quality and activity levels- the Fitbit and actigraphy watches. These will be worn for two weeks to assess individuals' baseline levels of sleep quality and will continue to be worn during the intervention. Following the baseline period, the re-timer glasses will be introduced and worn for a period of 30 to 50 minutes a day for two weeks.
Re-Timer glasses
Participants will wear the Re-timer glasses for 30 minutes a day according to their sleep chronotype in weeks 3 and 4 of the study.
Interventions
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Re-Timer glasses
Participants will wear the Re-timer glasses for 30 minutes a day according to their sleep chronotype in weeks 3 and 4 of the study.
Eligibility Criteria
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Inclusion Criteria
* 6 or greater on the Pittsburgh Sleep Quality Index
* A score of 5 to 9 on the Patient Health Questionnaire-9 Depression Scale
Exclusion Criteria
* Presence of mania or bipolar disorder
* Presence of an eye disease
* Prescription of a photosensitizing medication
* Having previously had eye surgery
65 Years
ALL
No
Sponsors
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University of Michigan
OTHER
Responsible Party
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Amanda Leggett
Postdoctoral Research Fellow
Principal Investigators
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Amanda N Leggett, PhD
Role: PRINCIPAL_INVESTIGATOR
University of Michigan
Locations
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University of Michigan
Ann Arbor, Michigan, United States
Countries
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Other Identifiers
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HUM00094645
Identifier Type: -
Identifier Source: org_study_id
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