Sleep Clinical Trial
Official title:
The Impact of Artificial Sunlight on Human Sleep and Circadian Rhythms
NCT number | NCT03636360 |
Other study ID # | Sunlike |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | July 1, 2019 |
Est. completion date | March 1, 2021 |
Verified date | March 2021 |
Source | VA Palo Alto Health Care System |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The purpose of this study is to examine, in healthy controls, whether LED lighting that has a color spectrum similar to that of sunlight is able to differentially impact mood, circadian rhythms, sleep, and behavior, as compared to standard fluorescent lighting.
Status | Completed |
Enrollment | 10 |
Est. completion date | March 1, 2021 |
Est. primary completion date | March 1, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 35 Years |
Eligibility | Inclusion Criteria: - Good self-reported health - Normal color vision Exclusion Criteria: - No sleep disorders - No extreme chronotype - Regular smoker - Significant hearing loss - Depression - Alcohol use disorder - Use of illegal drugs - Pregnant |
Country | Name | City | State |
---|---|---|---|
United States | VA Palo Alto Health Care System | Palo Alto | California |
Lead Sponsor | Collaborator |
---|---|
VA Palo Alto Health Care System | Seoul Semiconductor |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Alertness | Change in median reaction time score on the auditory psychomotor vigilance test | 15 hours | |
Primary | Melatonin suppression | Amount of reduction in the concentration of salivary melatonin concentrations during an experimental light stimulus | 3 hours | |
Secondary | Mood | Change in total positive and negative affect scores on the Positive and Negative Affect Schedule (PANAS) | 15 hours |
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